{"product_id":"magnesium-nitrate-fertilizer-11-0-0","title":"Magnesium Nitrate Fertilizer 11-0-0","description":"\u003c!--\n  ═══════════════════════════════════════════════════════════════\n  MAGNESIUM NITRATE FERTILIZER 11-0-0 — Greenway Biotech Product Page\n  Version: 2.7.1 | Updated: April 2026\n  Architecture: Modular CSS + Dispatcher Calculator Pattern\n  Blog Articles Linked: 3 (Magnesium Function, Nitrogen Function, Nutrient Deficiencies)\n  Blog Articles TODO: 1 (Epsom Salt vs Magnesium Nitrate — comparison article)\n  ═══════════════════════════════════════════════════════════════\n\n  REQUIRES:\n  - gwb-product-styles.css (v2.6.7) in Shopify Assets\n  - gwb-calculators.js (dispatcher v5.2+) in Shopify Assets\n  - magnesium-nitrate-calculator.js in Shopify Assets\n\n  DISPATCHER ENTRY (add to gwb-calculators.js registry):\n  'magnesium-nitrate': {\n      name: 'Magnesium Nitrate Calculator',\n      initFnName: 'renderMagnesiumNitrateCalculator',\n      file: 'magnesium-nitrate-calculator.js',\n      available: true\n  },\n--\u003e\n\n\u003cdiv class=\"gwb-product\"\u003e\n\u003cdiv class=\"wrapper\"\u003e\n\n\u003c!-- HERO SECTION --\u003e\n\u003ch1\u003eMagnesium Nitrate Fertilizer \u003cspan class=\"green\"\u003e11-0-0\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp class=\"hero-subtitle\"\u003e\u003cstrong\u003ePremium water-soluble Magnesium Nitrate delivers 11% nitrate nitrogen and 9.6% magnesium in one fast-acting formula — correcting deficiencies, fueling chlorophyll production, and supporting vigorous growth across soil, hydroponic, and foliar applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c!-- TRUST BADGES --\u003e\n\u003cdiv class=\"trust-badges\"\u003e\n  \u003cspan class=\"badge\" aria-label=\"CDFA Registered Fertilizer\"\u003e🧪 CDFA Registered\u003c\/span\u003e\n  \u003ca href=\"\/pages\/about-us\" target=\"_blank\" rel=\"noopener\" class=\"badge\" aria-label=\"Made in USA — packaged at our California facility\"\u003e🇺🇸 Made in USA\u003c\/a\u003e\n  \u003cspan class=\"badge\" aria-label=\"90-Day Money-Back Guarantee\"\u003e🛡️ 90-Day Guarantee\u003c\/span\u003e\n  \u003ca href=\"\/pages\/returns\" target=\"_blank\" rel=\"noopener\" class=\"badge\" aria-label=\"Free Shipping on orders over 100 dollars\"\u003e🚚 Free Shipping $100+\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c!-- IDEAL APPLICATIONS SECTION --\u003e\n\u003csection class=\"best-for\"\u003e\n  \u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n  \u003cdiv class=\"best-for-grid\"\u003e\n    \u003cdiv class=\"best-for-item\"\u003e\n      \u003cdiv class=\"best-for-icon\" aria-hidden=\"true\"\u003e🌱\u003c\/div\u003e\n      \u003cdiv class=\"best-for-name\"\u003eSoil Drench\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e1–2 tsp\/gallon\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"best-for-item\"\u003e\n      \u003cdiv class=\"best-for-icon\" aria-hidden=\"true\"\u003e💧\u003c\/div\u003e\n      \u003cdiv class=\"best-for-name\"\u003eHydroponics\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e50–100 ppm Mg\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"best-for-item\"\u003e\n      \u003cdiv class=\"best-for-icon\" aria-hidden=\"true\"\u003e🍃\u003c\/div\u003e\n      \u003cdiv class=\"best-for-name\"\u003eFoliar Spray\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e1 tsp\/gallon\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"best-for-item\"\u003e\n      \u003cdiv class=\"best-for-icon\" aria-hidden=\"true\"\u003e🚿\u003c\/div\u003e\n      \u003cdiv class=\"best-for-name\"\u003eFertigation\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e2–4 lbs\/acre\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- 1. FEATURES --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eFEATURES\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🔬 11% Nitrate Nitrogen\u003c\/h3\u003e\n        \u003cp\u003eAll nitrogen in this product is supplied in nitrate form (NO₃⁻) — immediately plant-available without the nitrification step required for ammonium-based nitrogen sources, even in cold soils where ammonium uptake stalls.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌿 9.6% Magnesium\u003c\/h3\u003e\n        \u003cp\u003eProvides magnesium — the central atom of every chlorophyll molecule — at a concentration sufficient to correct deficiency and sustain peak photosynthetic output.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e💧 100% Water Soluble\u003c\/h3\u003e\n        \u003cp\u003eDissolves completely with no residue, making it compatible with drip irrigation, NFT, DWC, ebb-and-flow, and foliar spray systems without clogging emitters.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⚖️ pH Neutral Formula\u003c\/h3\u003e\n        \u003cp\u003eUnlike ammonium sulfate or Epsom salt, Magnesium Nitrate will not significantly acidify your growing medium, giving you stable pH with typically fewer corrective adjustments than ammonium-based nitrogen sources.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🅰️ Tank A Compatible\u003c\/h3\u003e\n        \u003cp\u003eSafely mixes with Calcium Nitrate in concentrated Tank A stock solutions without precipitating — a critical advantage for two-part hydroponic programs.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e❄️ Cold-Soil Performance\u003c\/h3\u003e\n        \u003cp\u003eNitrate nitrogen is taken up efficiently even when soil temperatures drop below 50°F, making this product reliable for cool-season crops and early spring applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🧪 Third-Party Tested\u003c\/h3\u003e\n        \u003cp\u003eEvery batch is independently tested for heavy metal content — results are consistently well below regulatory limits, with documentation available on request.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🏅 CDFA Registered\u003c\/h3\u003e\n        \u003cp\u003eRegistered with the California Department of Food and Agriculture, meeting strict labeling and content requirements for professional agricultural use.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🇺🇸 Made in USA Since 1989\u003c\/h3\u003e\n        \u003cp\u003ePackaged at our Madera, California facility under quality controls developed over 35+ years of serving commercial growers and home gardeners.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌾 Dual-Deficiency Correction\u003c\/h3\u003e\n        \u003cp\u003eCorrects both magnesium and nitrogen deficiencies simultaneously — one product, one application, faster recovery than single-nutrient alternatives.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 2. DERIVED FROM --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eDERIVED FROM\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cp\u003eGreenway Biotech's Magnesium Nitrate 11-0-0 is sourced from high-purity technical-grade materials and packaged at our California facility. The formula delivers two essential plant nutrients — magnesium and nitrate nitrogen — from a single ionic salt with no fillers or binders.\u003c\/p\u003e\n\n    \u003ch3 class=\"brown\"\u003ePrimary Sources\u003c\/h3\u003e\n    \u003cdiv class=\"pairs-grid\"\u003e\n      \u003cdiv class=\"pair-item\"\u003e\n        \u003ch3\u003eMagnesium Nitrate\u003c\/h3\u003e\n        \u003cp\u003eThe primary ingredient — a highly soluble inorganic salt that delivers both nitrate nitrogen (11%) and magnesium (9.6%) in plant-available ionic form immediately upon dissolution.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"pair-item\"\u003e\n        \u003ch3\u003eMagnesium Oxide (MgO)\u003c\/h3\u003e\n        \u003cp\u003eExpressed as 16% MgO on the guaranteed analysis label, consistent with standard fertilizer reporting conventions for magnesium content.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cp\u003e\u003cstrong\u003eGuaranteed Analysis:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul class=\"feature-list\"\u003e\n      \u003cli\u003eTotal Nitrogen (N): 11% — as 11% Nitrate Nitrogen\u003c\/li\u003e\n      \u003cli\u003eMagnesium (Mg): 9.6%\u003c\/li\u003e\n      \u003cli\u003eMagnesium Oxide (MgO): 16%\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 3. SCIENCE BEHIND THE FORMULA --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eSCIENCE BEHIND THE FORMULA\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cdiv class=\"info-box\"\u003e\n      \u003ch3 class=\"teal\"\u003e11-0-0: Nitrate Nitrogen + Magnesium — The Chlorophyll Pair\u003c\/h3\u003e\n      \u003cp\u003ePlants need magnesium as the structural core of every chlorophyll molecule, and nitrate nitrogen to build the amino acids and proteins that drive growth. Magnesium Nitrate 11-0-0 delivers both nutrients together in a pH-neutral, immediately available ionic form — no soil microbial conversion required.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌿 Nitrogen — 11% (Nitrate Form)\u003c\/h3\u003e\n        \u003cp\u003eNitrate nitrogen (NO₃⁻) is the most universally available nitrogen form across pH ranges and soil temperatures. Unlike ammonium, it doesn't require nitrification and doesn't contribute to acidification. In hydroponic systems, it keeps reservoir pH stable and prevents the swings associated with ammonium-based fertilizers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e💚 Magnesium — 9.6%\u003c\/h3\u003e\n        \u003cp\u003eMagnesium is a phloem-mobile macronutrient that serves as the central atom of the chlorophyll porphyrin ring, activates many enzyme systems, drives ATP synthesis and phosphate metabolism, and facilitates sugar transport from leaves to fruits and roots. Deficiency first appears as interveinal chlorosis on older, lower leaves — a pattern Magnesium Nitrate corrects at the source.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eWhy Magnesium Nitrate Outperforms Single-Nutrient Alternatives\u003c\/h3\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🔬 Chlorophyll at the Molecular Level\u003c\/h3\u003e\n        \u003cp\u003eMagnesium sits at the center of every chlorophyll molecule, bonded to four nitrogen atoms in a porphyrin ring. Without adequate Mg, the entire photosynthetic apparatus degrades — no amount of extra nitrogen will compensate for a chlorophyll structure that lacks its central atom.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⚡ Enzyme Activation\u003c\/h3\u003e\n        \u003cp\u003eMagnesium activates RuBisCO (the primary carbon-fixing enzyme), ATP synthase, and RNA polymerase. These roles make adequate Mg essential not just for green color, but for carbohydrate production, energy transfer, and gene expression throughout the plant.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🔄 vs. Epsom Salt (MgSO₄)\u003c\/h3\u003e\n        \u003cp\u003eEpsom salt provides magnesium plus sulfur but adds no nitrogen and can have a mild acidifying effect on growing media over time. Magnesium Nitrate provides comparable magnesium (9.6% vs. Epsom's ~9.9%) plus 11% nitrogen, at a neutral pH. Choose Mg Nitrate during vegetative and early flowering stages; switch to Epsom during late bloom when extra nitrogen isn't wanted.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌡️ Cold-Weather Advantage\u003c\/h3\u003e\n        \u003cp\u003eNitrate nitrogen is taken up by active transport and is not dependent on soil microbial activity or temperature. When soils drop below 50°F and ammonium nitrification slows sharply, nitrate remains fully available — making Magnesium Nitrate the reliable choice for cool-climate crops and early-season applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eIdentifying Magnesium vs. Nitrogen Deficiency\u003c\/h3\u003e\n    \u003cp\u003eBoth are mobile nutrients — symptoms appear first on older, lower leaves. The key visual distinction:\u003c\/p\u003e\n    \u003cul class=\"feature-list\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMagnesium deficiency:\u003c\/strong\u003e Interveinal chlorosis — yellowing between the veins while the veins themselves stay green. Classic sign on older leaves, progresses upward if untreated.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNitrogen deficiency:\u003c\/strong\u003e Uniform pale green or yellow across the entire leaf, including the veins. Older leaves fade first and may drop prematurely.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBoth present:\u003c\/strong\u003e Magnesium Nitrate corrects both simultaneously — one application addresses the full deficiency picture.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3 class=\"brown\"\u003eDeficiency Correction Timeline\u003c\/h3\u003e\n    \u003cdiv class=\"timeline\"\u003e\n      \u003cdiv class=\"timeline-item\"\u003e\n        \u003cspan class=\"day\"\u003eDay 1\u003c\/span\u003e\n        \u003cspan class=\"icon\" aria-hidden=\"true\"\u003e💧\u003c\/span\u003e\n        \u003cspan\u003eApply solution — nutrients enter root zone or leaf tissue\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"timeline-item\"\u003e\n        \u003cspan class=\"day\"\u003eDays 3–7\u003c\/span\u003e\n        \u003cspan class=\"icon\" aria-hidden=\"true\"\u003e🍃\u003c\/span\u003e\n        \u003cspan\u003eFoliar applications show recovery — new growth emerges green\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"timeline-item\"\u003e\n        \u003cspan class=\"day\"\u003eWeeks 1–2\u003c\/span\u003e\n        \u003cspan class=\"icon\" aria-hidden=\"true\"\u003e🌿\u003c\/span\u003e\n        \u003cspan\u003eSoil drench results visible in mild to moderate deficiency cases — chlorosis halted in existing foliage\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"timeline-item\"\u003e\n        \u003cspan class=\"day\"\u003eWeeks 2–3\u003c\/span\u003e\n        \u003cspan class=\"icon\" aria-hidden=\"true\"\u003e💚\u003c\/span\u003e\n        \u003cspan\u003eFull recovery in new growth — healthy green color restored throughout canopy\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003e\u003cem\u003eResults vary with soil conditions, temperature, moisture, and severity of deficiency. Foliar applications consistently show faster visible response than soil drenches.\u003c\/em\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 4. APPLICATION RATES \u0026 DIRECTIONS --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eAPPLICATION RATES \u0026amp; DIRECTIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n\n    \u003ch3 class=\"brown\"\u003eSoil Drench \u0026amp; Garden Beds\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003ccaption\u003eMix with water and apply directly to root zone\u003c\/caption\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eCrop \/ Use\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eRate\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eFrequency\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eNotes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eGeneral maintenance\u003c\/td\u003e\n            \u003ctd\u003e1–2 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 2–4 weeks\u003c\/td\u003e\n            \u003ctd\u003eApply to moist soil\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTomatoes\u003c\/td\u003e\n            \u003ctd\u003e2 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 2 weeks\u003c\/td\u003e\n            \u003ctd\u003eCritical during flowering and fruit set\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eLeafy greens\u003c\/td\u003e\n            \u003ctd\u003e1.5 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 2–3 weeks\u003c\/td\u003e\n            \u003ctd\u003eThroughout growing season\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCitrus\u003c\/td\u003e\n            \u003ctd\u003e3 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eSpring \u0026amp; fall\u003c\/td\u003e\n            \u003ctd\u003eApply under drip line\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCannabis\u003c\/td\u003e\n            \u003ctd\u003e1–2 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eWeeks 1–7 of flower\u003c\/td\u003e\n            \u003ctd\u003eTaper off in late flower\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eFoliar Spray\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003ccaption\u003eSpray directly on foliage for fast deficiency correction\u003c\/caption\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eUse\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eRate\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eFrequency\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eNotes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eDeficiency prevention\u003c\/td\u003e\n            \u003ctd\u003e1 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 7–14 days\u003c\/td\u003e\n            \u003ctd\u003eApply before symptoms appear\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eActive deficiency correction\u003c\/td\u003e\n            \u003ctd\u003e1.5 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 5–7 days until recovery\u003c\/td\u003e\n            \u003ctd\u003eResults visible in 3–7 days\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eLeafy greens (foliar)\u003c\/td\u003e\n            \u003ctd\u003e0.5 tsp\/gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 7 days\u003c\/td\u003e\n            \u003ctd\u003eLight application only\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eHydroponics \u0026amp; Fertigation\u003c\/h3\u003e\n    \u003cdiv class=\"info-box\"\u003e\n      \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Magnesium rates for hydroponic systems should be based on your crop's target ppm, source water Mg content, and growth stage. The ranges below are general reference figures for soft or RO water. Actual rates may vary depending on water source, EC targets, and local crop protocols. Fertigation rates for field applications should be calibrated against soil test results and crop uptake data.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003ccaption\u003eMaintain proper Mg levels in recirculating and run-to-waste systems\u003c\/caption\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eSystem Type\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eMg Target (ppm)\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eApprox. Rate\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eNotes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eNFT \/ DWC\u003c\/td\u003e\n            \u003ctd\u003e50–80 ppm\u003c\/td\u003e\n            \u003ctd\u003e0.5–0.8 tsp\/gal\u003c\/td\u003e\n            \u003ctd\u003eAdd to Tank A; adjust for water source\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eEbb \u0026amp; Flow\u003c\/td\u003e\n            \u003ctd\u003e60–100 ppm\u003c\/td\u003e\n            \u003ctd\u003e0.6–1 tsp\/gal\u003c\/td\u003e\n            \u003ctd\u003eHigher for fruiting crops\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eDrip \/ Run-to-Waste\u003c\/td\u003e\n            \u003ctd\u003e80–120 ppm\u003c\/td\u003e\n            \u003ctd\u003e0.8–1.2 tsp\/gal\u003c\/td\u003e\n            \u003ctd\u003eAccount for runoff factor\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eFertigation (field)\u003c\/td\u003e\n            \u003ctd\u003e—\u003c\/td\u003e\n            \u003ctd\u003e2–4 lbs\/acre\/week\u003c\/td\u003e\n            \u003ctd\u003eCalibrate injector; base rate on soil test and crop uptake\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003e12-Week Tomato PPM Targets\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003ccaption\u003eMagnesium source and ppm targets across a 12-week fruiting cycle\u003c\/caption\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eWeek\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eGrowth Stage\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eMg Source\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eMg (ppm)\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eApprox. N Range from Mg Source (ppm)\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e1–2\u003c\/td\u003e\n            \u003ctd\u003eSeedling\u003c\/td\u003e\n            \u003ctd\u003eMg Nitrate\u003c\/td\u003e\n            \u003ctd\u003e30–40\u003c\/td\u003e\n            \u003ctd\u003e~35–46\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e3\u003c\/td\u003e\n            \u003ctd\u003eEarly Veg\u003c\/td\u003e\n            \u003ctd\u003eMg Nitrate\u003c\/td\u003e\n            \u003ctd\u003e50\u003c\/td\u003e\n            \u003ctd\u003e~57\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e4–5\u003c\/td\u003e\n            \u003ctd\u003eLate Veg\u003c\/td\u003e\n            \u003ctd\u003eMg Nitrate\u003c\/td\u003e\n            \u003ctd\u003e60–70\u003c\/td\u003e\n            \u003ctd\u003e~69–80\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e6–7\u003c\/td\u003e\n            \u003ctd\u003eEarly Bloom\u003c\/td\u003e\n            \u003ctd\u003eMg Nitrate\u003c\/td\u003e\n            \u003ctd\u003e70–80\u003c\/td\u003e\n            \u003ctd\u003e~80–91\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e8\u003c\/td\u003e\n            \u003ctd\u003eTransition\u003c\/td\u003e\n            \u003ctd\u003eMg Nitrate → \u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e\n\u003c\/td\u003e\n            \u003ctd\u003e60\u003c\/td\u003e\n            \u003ctd\u003e~30 (tapering)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e9–10\u003c\/td\u003e\n            \u003ctd\u003eFruit Development\u003c\/td\u003e\n            \u003ctd\u003e\u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e\u003c\/td\u003e\n            \u003ctd\u003e50–60\u003c\/td\u003e\n            \u003ctd\u003e0\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e11\u003c\/td\u003e\n            \u003ctd\u003eRipening\u003c\/td\u003e\n            \u003ctd\u003e\u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e\u003c\/td\u003e\n            \u003ctd\u003e40\u003c\/td\u003e\n            \u003ctd\u003e0\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e12\u003c\/td\u003e\n            \u003ctd\u003eHarvest\u003c\/td\u003e\n            \u003ctd\u003eNone (flush)\u003c\/td\u003e\n            \u003ctd\u003e0\u003c\/td\u003e\n            \u003ctd\u003e0\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 5. HOW TO USE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eHOW TO USE\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n\n    \u003ch3 class=\"brown\"\u003eSoil \u0026amp; Garden Beds\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eMeasure 1–2 teaspoons of Magnesium Nitrate per gallon of water.\u003c\/li\u003e\n      \u003cli\u003eAdd the fertilizer to the water (not water to powder) and stir until fully dissolved — the solution will be clear.\u003c\/li\u003e\n      \u003cli\u003eWater soil lightly before applying to prevent root burn in dry conditions.\u003c\/li\u003e\n      \u003cli\u003eApply the solution evenly around the root zone, avoiding direct stem contact.\u003c\/li\u003e\n      \u003cli\u003eRepeat every 2–4 weeks during the active growing season.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch3 class=\"brown\"\u003eFoliar Spray\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eMix 1 teaspoon per gallon of water for prevention; 1.5 teaspoons per gallon for active deficiency correction.\u003c\/li\u003e\n      \u003cli\u003eApply early morning or late afternoon when temperatures are below 85°F.\u003c\/li\u003e\n      \u003cli\u003eSpray the undersides of leaves as well as the tops — many crops absorb foliar sprays better when leaf undersides are covered.\u003c\/li\u003e\n      \u003cli\u003eAllow solution to dry completely before exposing plants to direct sun.\u003c\/li\u003e\n      \u003cli\u003eRepeat every 5–14 days depending on deficiency severity.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch3 class=\"brown\"\u003eHydroponics (A\/B Two-Part System)\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eAdd Magnesium Nitrate to Tank A along with Calcium Nitrate and chelated iron.\u003c\/li\u003e\n      \u003cli\u003eKeep Tank B separate — it holds phosphates (MKP, MAP) and sulfates (Epsom Salt). Never mix Mg Nitrate with phosphates in concentrated stock solutions.\u003c\/li\u003e\n      \u003cli\u003eTarget 50–100 ppm Mg in your working nutrient solution depending on crop and growth stage.\u003c\/li\u003e\n      \u003cli\u003eMaintain nutrient solution pH between 5.5 and 6.5 for optimal uptake.\u003c\/li\u003e\n      \u003cli\u003eMonitor EC alongside individual ppm targets — adjust as plants consume nutrients.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch3 class=\"brown\"\u003eFertigation (Drip Systems)\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eApply at 2–4 lbs per acre per week during active growth through calibrated injectors.\u003c\/li\u003e\n      \u003cli\u003eCalibrate your injector ratio before the growing season — Mg Nitrate dissolves readily but verify concentration matches target ppm.\u003c\/li\u003e\n      \u003cli\u003eApply weekly during vegetative and early flowering stages; taper in late flower.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cdiv class=\"info-box\"\u003e\n      \u003ch3 class=\"teal\"\u003ePro Tip: Diagnosing Source Water Before You Formulate\u003c\/h3\u003e\n      \u003cp\u003eHard tap water often contains a Ca:Mg ratio of 6:1 or higher — far above the optimal 3:1 to 4:1 range. This calcium excess causes magnesium lockout even when adequate Mg is present in your nutrient solution. Before designing your program, run a basic water test. If your Ca:Mg ratio exceeds 5:1, use Magnesium Nitrate to bring it back into balance. RO water users should build their Ca:Mg ratio from scratch — target 3:1 to 4:1 with Calcium Nitrate and Magnesium Nitrate together.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eWhen Magnesium Nitrate Is the Right Choice\u003c\/h3\u003e\n    \u003cul class=\"feature-list\"\u003e\n      \u003cli\u003eDuring vegetative growth and early flowering when plants need both nitrogen and magnesium simultaneously.\u003c\/li\u003e\n      \u003cli\u003eIn hydroponic Tank A programs where both Ca and Mg must be dosed without mixing issues.\u003c\/li\u003e\n      \u003cli\u003eWhen correcting interveinal chlorosis on older leaves while also driving new green growth.\u003c\/li\u003e\n      \u003cli\u003eIn cool-weather conditions where nitrate nitrogen outperforms ammonium forms.\u003c\/li\u003e\n      \u003cli\u003eWhen pH stability matters and you can't afford the acidification from Epsom salt or ammonium sources.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3 class=\"brown\"\u003eWhen to Consider Other Options\u003c\/h3\u003e\n    \u003cul class=\"feature-list\"\u003e\n      \u003cli\u003eDuring late flowering or ripening when additional nitrogen is not desired — switch to \u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e for nitrogen-free magnesium plus sulfur to support terpene and essential oil production.\u003c\/li\u003e\n      \u003cli\u003eWhen you need magnesium only for wellness or bath use — \u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e and \u003ca href=\"\/products\/magnesium-chloride-flakes\" target=\"_blank\" rel=\"noopener\"\u003eMagnesium Chloride Flakes\u003c\/a\u003e are better suited.\u003c\/li\u003e\n      \u003cli\u003eWhen correcting a sulfur deficiency simultaneously — Epsom salt delivers both Mg and S in a single product.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 6. MAGNESIUM NITRATE CALCULATOR --\u003e\n\u003cdetails id=\"calc-section\"\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eMAGNESIUM NITRATE CALCULATOR\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cdiv class=\"gwb-calculator\" data-calc=\"magnesium-nitrate\"\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 7. SAFETY \u0026 HANDLING --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eSAFETY \u0026amp; HANDLING\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003ePersonal Protective Equipment (PPE)\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eWear chemical-resistant gloves when handling powder or concentrated solutions.\u003c\/li\u003e\n          \u003cli\u003eWear safety glasses or goggles — fine particles can cause eye irritation.\u003c\/li\u003e\n          \u003cli\u003eUse a dust mask or N95 respirator when measuring or pouring powder in enclosed spaces.\u003c\/li\u003e\n          \u003cli\u003eWash hands thoroughly with soap and water after handling.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eStorage Guidelines\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eStore in a cool, dry place in the original sealed container — Magnesium Nitrate is hygroscopic and will absorb moisture from the air if left open.\u003c\/li\u003e\n          \u003cli\u003eKeep away from direct sunlight and heat sources above 95°F.\u003c\/li\u003e\n          \u003cli\u003eStore away from oxidizable materials — Magnesium Nitrate is an oxidizer at high concentrations.\u003c\/li\u003e\n          \u003cli\u003eKeep out of reach of children and pets.\u003c\/li\u003e\n          \u003cli\u003eDo not store near food, feed, or beverage products.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eApplication Precautions\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eAlways add fertilizer to water — never add water to dry powder in a small container.\u003c\/li\u003e\n          \u003cli\u003eAvoid applying foliar sprays in temperatures above 85°F or in direct midday sun to prevent leaf burn.\u003c\/li\u003e\n          \u003cli\u003eDo not mix concentrated Magnesium Nitrate with phosphate fertilizers (MAP, MKP) — use separate stock tanks.\u003c\/li\u003e\n          \u003cli\u003eAvoid contact with eyes, mucous membranes, and broken skin.\u003c\/li\u003e\n          \u003cli\u003eDo not apply to waterways, storm drains, or drainage ditches unless concentration complies with local regulations.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eFirst Aid\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEye contact:\u003c\/strong\u003e Flush with clean water for at least 15 minutes, holding eyelids open. Seek medical attention if irritation or redness persists.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSkin contact:\u003c\/strong\u003e Remove contaminated clothing. Wash affected area with soap and water. Seek medical attention if irritation develops.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIngestion:\u003c\/strong\u003e Do not induce vomiting. Rinse mouth with water. Contact Poison Control (1-800-222-1222) or seek medical attention immediately.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eInhalation:\u003c\/strong\u003e Move to fresh air immediately. Seek medical attention if coughing, shortness of breath, or other symptoms persist.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp\u003eRefer to the \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Magnesium-Nitrate-11-0-0-SDS-2.pdf?v=1776103438\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e for complete safety information.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 8. COMPLETE YOUR SYSTEM --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eCOMPLETE YOUR SYSTEM\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cp\u003eMagnesium Nitrate performs best as part of a balanced nutrient program. These products pair directly with it for complete plant nutrition:\u003c\/p\u003e\n    \u003cdiv class=\"pairs-grid\"\u003e\n      \u003ca href=\"\/products\/calcium-nitrate\" class=\"pair-item\" target=\"_blank\" rel=\"noopener\"\u003e\n        \u003ch3\u003eCalcium Nitrate 15.5-0-0\u003c\/h3\u003e\n        \u003cp\u003eTank A partner — maintains the optimal 3:1 to 4:1 Ca:Mg ratio essential for nutrient uptake. Mix with Magnesium Nitrate in the same stock tank without precipitation risk.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/epsom-salt\" class=\"pair-item\" target=\"_blank\" rel=\"noopener\"\u003e\n        \u003ch3\u003eEpsom Salt (MgSO₄)\u003c\/h3\u003e\n        \u003cp\u003eLate-bloom magnesium source — provides Mg plus sulfur without nitrogen. Transition to Epsom Salt at weeks 8–9 when extra nitrogen is no longer desired.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/monopotassium-phosphate-mkp-0-52-34\" class=\"pair-item\" target=\"_blank\" rel=\"noopener\"\u003e\n        \u003ch3\u003eMKP 0-52-34\u003c\/h3\u003e\n        \u003cp\u003eTank B phosphorus and potassium source for flowering. Keep separate from Magnesium Nitrate in concentrated stock solutions — compatible in dilute working solutions.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/chelated-iron-edta\" class=\"pair-item\" target=\"_blank\" rel=\"noopener\"\u003e\n        \u003ch3\u003eChelated Iron EDTA 13%\u003c\/h3\u003e\n        \u003cp\u003eWorks alongside magnesium to support chlorophyll synthesis and deep green color. Safe to combine in Tank A solutions.\u003c\/p\u003e\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 9. FREQUENTLY ASKED QUESTIONS --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eFREQUENTLY ASKED QUESTIONS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhat is magnesium nitrate used for in plants?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eMagnesium Nitrate 11-0-0 is used to supply two essential nutrients simultaneously — nitrate nitrogen and magnesium — in a single water-soluble application. It is most commonly used to correct or prevent magnesium deficiency (interveinal chlorosis on older leaves), support chlorophyll production during vegetative growth and early flowering, and maintain stable nutrition in hydroponic Tank A programs. It is well suited for soil drenches, fertigation, and foliar sprays wherever both nitrogen and magnesium are needed at the same time.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhen should I use Magnesium Nitrate vs. Epsom Salt?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eUse Magnesium Nitrate when your plants need both nitrogen and magnesium — during vegetative growth, early flowering, and any time foliar color is fading while nitrogen demand is still high. Use \u003ca href=\"\/products\/epsom-salt\" target=\"_blank\" rel=\"noopener\"\u003eEpsom Salt\u003c\/a\u003e during late flowering and ripening when extra nitrogen isn't desired, or when a sulfur boost supports terpene and oil production. Both products provide approximately the same magnesium content (~9.6–9.9%); the choice comes down to which companion nutrient — nitrogen or sulfur — your crop needs at that stage. For a deeper comparison, see our guide on \u003ca href=\"\/blogs\/gardening-articles\/understanding-nutrient-deficiencies\" target=\"_blank\" rel=\"noopener\"\u003eUnderstanding Nutrient Deficiencies\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eHow quickly does it correct magnesium deficiency?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eFoliar applications typically show visible improvement within 3–7 days — new growth emerges green and healthy. Soil drenches take 1–2 weeks for visible results as the magnesium moves into the root zone and is translocated upward. Note that existing chlorotic leaves may not fully recover their green color, but new growth will be normal. For fastest correction, combine a foliar spray (immediate) with a soil drench (sustained).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eCan I mix Magnesium Nitrate with Calcium Nitrate?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes — Magnesium Nitrate and Calcium Nitrate are compatible in the same concentrated Tank A stock solution. Both are nitrate-based and will not precipitate together. However, keep Magnesium Nitrate separate from phosphate fertilizers (MKP, MAP) in concentrated stock solutions — mixing these together can form magnesium phosphate precipitates that clog lines and reduce nutrient availability. In dilute working solutions at normal application rates, all of these fertilizers can be combined without issue. Always dilute each component independently before combining in the main tank, and jar-test unfamiliar combinations before injecting.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhat is the ideal calcium-to-magnesium ratio?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe optimal Ca:Mg ratio for most crops is 3:1 to 4:1 in the nutrient solution or soil pore water. Ratios wider than 5:1 (too much calcium relative to magnesium) can induce magnesium lockout — the plant physically cannot take up Mg even when it's present, because calcium and magnesium compete for the same uptake channels. Hard tap water commonly has Ca:Mg ratios of 6:1 or higher, meaning you may need to add extra Magnesium Nitrate even if the absolute Mg level appears adequate. Learn more in our article on \u003ca href=\"\/blogs\/gardening-articles\/whats-the-function-of-magnesium-mg-in-plants\" target=\"_blank\" rel=\"noopener\"\u003ethe function of magnesium in plants\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eIs this safe to use in all hydroponic systems?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes — Magnesium Nitrate is 100% water soluble with no insoluble residue, making it safe for NFT, DWC, ebb-and-flow, and drip systems. It won't clog emitters or leave deposits in reservoirs. Add it to Tank A alongside Calcium Nitrate, target 50–100 ppm Mg in the working solution, and maintain pH between 5.5 and 6.5 for optimal uptake.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eDoes Magnesium Nitrate change soil or nutrient solution pH?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eMagnesium Nitrate is pH neutral and won't significantly acidify your growing medium or reservoir. This contrasts with ammonium sulfate and some other nitrogen sources that lower pH over time. In hydroponic systems, Magnesium Nitrate is particularly valued because it allows you to dial in your pH without fighting acidification from the nitrogen source.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhy are the symptoms on older leaves instead of new growth?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eMagnesium and nitrogen are both mobile nutrients — plants can redistribute (remobilize) them from older tissue to newer, actively growing tissue when supply runs short. This means deficiency symptoms appear first on the oldest, lowest leaves and progress upward as the plant continues to cannibalize older tissue to support new growth. By the time you see symptoms on young growth, the deficiency is typically severe. See our guide on \u003ca href=\"\/blogs\/gardening-articles\/whats-the-function-of-nitrogen-n-in-plants\" target=\"_blank\" rel=\"noopener\"\u003enitrogen function in plants\u003c\/a\u003e for more detail on nutrient mobility.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhat is the A\/B tank system and where does Magnesium Nitrate go?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eA\/B (or two-part) hydroponic systems use two concentrated stock tanks to prevent nutrient precipitation before dilution. Tank A holds calcium and nitrate fertilizers together: Calcium Nitrate, Magnesium Nitrate, Chelated Iron, and Potassium Nitrate. Tank B holds phosphates and sulfates: MKP (monopotassium phosphate), MAP, Epsom Salt (magnesium sulfate), and micronutrient blends. Magnesium Nitrate always goes in Tank A. Never combine Magnesium Nitrate with high-phosphate concentrates in the same stock tank — they will precipitate.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 10. GROW WITH CONFIDENCE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eGROW WITH CONFIDENCE\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eQuality \u0026amp; Purity Standards\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eEvery batch of Magnesium Nitrate 11-0-0 is sourced from high-purity technical-grade materials and independently tested for heavy metal content. Results are consistently well below the limits required by CDFA and standard fertilizer regulations. We maintain documentation for each production run and can provide test results upon request.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003e90-Day Guarantee\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eWe stand behind the performance of our products. If you're not satisfied with your results within 90 days of purchase, contact us at \u003ca href=\"mailto:questions@greenwaybiotech.com\"\u003equestions@greenwaybiotech.com\u003c\/a\u003e for a full refund — no questions asked.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eCalifornia-Based Since 1989\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eGreenway Biotech, Inc. was founded in 1989 and is now based in Madera, California — in the heart of the San Joaquin Valley, one of the most productive agricultural regions in the world. Being close to our grower customers means our products are tested against the real-world demands of commercial agriculture, not just home gardens.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eSustainability \u0026amp; Packaging\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eWe're actively evaluating compostable and reduced-plastic packaging options for our product line. Our Madera facility consolidates regional distribution, reducing shipping miles for customers throughout California's Central Valley and beyond.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 11. DOCUMENTS --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eDOCUMENTS\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cul class=\"doc-links\"\u003e\n      \u003cli\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/Magnesium-Nitrate-11-0-0-SDS-2.pdf?v=1776103438\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003e📋 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0850\/0900\/files\/MAGNESIUM_NITRATE_MAGNESIUM_OXIDE_FORMULA_11-0-0_-_Updated_Approved_-_04152024_SN.pdf?v=1774301497\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eProduct Label \u0026amp; Application Guide\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 12. DISCOVER MORE --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eDISCOVER MORE\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cul class=\"discover-list\"\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/whats-the-function-of-magnesium-mg-in-plants\" target=\"_blank\" rel=\"noopener\"\u003eWhat's the Function of Magnesium (Mg) in Plants?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/whats-the-function-of-nitrogen-n-in-plants\" target=\"_blank\" rel=\"noopener\"\u003eWhat's the Function of Nitrogen (N) in Plants?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/understanding-nutrient-deficiencies\" target=\"_blank\" rel=\"noopener\"\u003eUnderstanding Nutrient Deficiencies — Visual Guide\u003c\/a\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- 13. HAVE QUESTIONS? (LAST) --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003eHAVE QUESTIONS?\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cp\u003eCheck out our \u003ca href=\"\/pages\/faq\" target=\"_blank\" rel=\"noopener\"\u003efull FAQ page\u003c\/a\u003e or contact our experts for personalized advice on application rates, deficiency diagnosis, or building your nutrient program.\u003c\/p\u003e\n    \u003cp\u003e📧 \u003ca href=\"mailto:questions@greenwaybiotech.com\"\u003equestions@greenwaybiotech.com\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Greenway Biotech, Inc.","offers":[{"title":"2 Pounds","offer_id":47862888464602,"sku":"018227121149","price":26.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":47862888497370,"sku":"018227121156","price":39.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":47862888530138,"sku":"018227121163","price":59.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":47862888562906,"sku":"018227121170","price":89.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (or 2X 25 Pound bags)","offer_id":47862888595674,"sku":"018227121187","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/6244\/1063\/files\/Magnesium_Nitrate_11-0-0.jpg?v=1778681120","url":"https:\/\/midwestgrowco.com\/products\/magnesium-nitrate-fertilizer-11-0-0","provider":"Midwest Grow LLC","version":"1.0","type":"link"}