{"product_id":"potassium-sulfate-fertilizer-0-0-53","title":"Potassium Sulfate Fertilizer 0-0-53","description":"\u003c!-- ═══════════════════════════════════════════════════════════════\n     Potassium Sulfate Fertilizer 0-0-53 - Greenway Biotech Product Page\n     Version: 2.6.8 | Updated: February 2026\n     Architecture: Modular CSS + Dispatcher Calculator Pattern\n     Blog Articles Linked: 6 (Function of K, Best K Fertilizer, Function of S, Secondary Nutrients, Fruit Yield, Water-Soluble Guide)\n     Blog Articles TODO: 2 needed\n\n     CHANGES FROM v2.6.6 → v2.6.8:\n     - Trust badges: removed \"100% Water Soluble\" badge (was 5 badges; spec = 4 max: 1 product-specific + 3 universal)\n     - Trust badges: added aria-label to all 4 badges\n     - Ideal Applications: added aria-hidden=\"true\" to all 6 .best-for-icon elements\n     - DERIVED FROM: changed \u003ch4\u003e → \u003ch3\u003e inside .pair-item card\n     - DERIVED FROM: removed self-referential href (card now links to \/collections\/fertilizers as a general fallback — update to ingredient info page if one exists)\n     - COMPLETE YOUR SYSTEM: changed all 5 \u003ch4\u003e → \u003ch3\u003e inside .pair-item cards\n     ═══════════════════════════════════════════════════════════════ --\u003e\n\n\u003cdiv class=\"gwb-product\"\u003e\n\u003cdiv class=\"wrapper\"\u003e\n\n\u003c!-- ============================================================\n     HERO SECTION\n     ============================================================ --\u003e\n\u003ch1\u003ePotassium Sulfate Fertilizer \u003cspan class=\"green\"\u003e0-0-53\u003c\/span\u003e + 17% Sulfur\u003c\/h1\u003e\n\u003cp class=\"hero-subtitle\"\u003e\n  Premium potassium sulfate delivering 53% potassium (K₂O) and 17% sulfur in a completely chloride-free,\n  100% water-soluble formula. Tested for heavy metals and CDFA registered. Ideal for fruit quality enhancement,\n  disease resistance, and pH management in soil, foliar, and hydroponic applications.\n\u003c\/p\u003e\n\n\u003c!-- ============================================================\n     TRUST BADGES\n     FIX: Reduced from 5 → 4 badges (removed \"100% Water Soluble\")\n     FIX: Added aria-label to all badges\n     ============================================================ --\u003e\n\u003cdiv class=\"trust-badges\"\u003e\n  \u003ca href=\"\/pages\/about-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\" aria-label=\"CDFA Registered fertilizer\"\u003e🧪 CDFA Registered\u003c\/a\u003e\n  \u003ca href=\"\/pages\/about-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"badge\" aria-label=\"Made in USA\"\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 noreferrer\" 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!-- ============================================================\n     IDEAL APPLICATIONS (Always Visible)\n     FIX: Added aria-hidden=\"true\" to all .best-for-icon elements\n     ============================================================ --\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\"\u003eVegetables\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e1–2 lbs per 100 sq ft\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\"\u003eFruit Trees\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e1–3 lbs per tree\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\"\u003eGrapes \u0026amp; Berries\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e2–3 tbsp per gallon foliar\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\"\u003e2–3 tbsp per 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\"\u003eField Crops\u003c\/div\u003e\n      \u003cdiv class=\"best-for-rate\"\u003e100–300 lbs per acre\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\"\u003e2–4 tbsp per gallon\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============================================================\n     1. FEATURES\n     ============================================================ --\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💪 53% Potassium Concentration\u003c\/h3\u003e\n        \u003cp\u003eOne of the highest potassium concentrations available in any fertilizer, delivering maximum K₂O per pound for efficient nutrition and lower application rates.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🚫 Chloride-Free Formula\u003c\/h3\u003e\n        \u003cp\u003eEssential for chloride-sensitive crops like tobacco, potatoes, berries, and citrus where chloride reduces sugar content, flavor, and storage quality.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e💧 100% Water Soluble\u003c\/h3\u003e\n        \u003cp\u003eCompletely dissolves in water for versatile application through soil drench, foliar spray, drip irrigation, fertigation systems, and hydroponic reservoirs.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⚗️ 17% Sulfur Bonus\u003c\/h3\u003e\n        \u003cp\u003eDelivers sulfur alongside potassium — supporting protein synthesis, enzyme activation, and amino acid formation without needing a separate sulfur amendment.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🍎 Fruit Quality Enhancer\u003c\/h3\u003e\n        \u003cp\u003ePotassium directly improves fruit size, color development, sugar content (Brix), flavor profile, and post-harvest shelf life in all fruiting crops.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🛡️ Disease \u0026amp; Stress Resistance\u003c\/h3\u003e\n        \u003cp\u003eStrengthens cell walls, improves stomatal regulation, and enhances drought, cold, and salt tolerance — reducing crop loss from environmental stress.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌡️ pH Management Tool\u003c\/h3\u003e\n        \u003cp\u003eSulfate form helps adjust alkaline soils toward neutral pH, improving availability of phosphorus, iron, and other pH-sensitive nutrients.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🧪 Tested for Heavy Metals\u003c\/h3\u003e\n        \u003cp\u003eEvery batch is independently lab tested for heavy metal content and CDFA registered, ensuring safe application on food crops and in hydroponic systems.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌱 Low Salt Index\u003c\/h3\u003e\n        \u003cp\u003eLower salt index than potassium chloride (muriate of potash), reducing risk of salt buildup and root burn — safer for sensitive crops and containerized plants.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⚡ Activates 60+ Plant Enzymes\u003c\/h3\u003e\n        \u003cp\u003ePotassium serves as a cofactor for over 60 enzymatic reactions in plants, driving photosynthesis, sugar transport, protein synthesis, and energy metabolism.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     2. DERIVED FROM\n     FIX: Changed \u003ch4\u003e → \u003ch3\u003e inside .pair-item card\n     FIX: Removed self-referential href on the pair-item card\n     ============================================================ --\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\u003eOur potassium sulfate is a premium-grade crystalline powder sourced for maximum purity, complete water solubility, and rapid plant availability across all application methods.\u003c\/p\u003e\n\n    \u003ch3 class=\"brown\"\u003eMacronutrient Sources\u003c\/h3\u003e\n    \u003cdiv class=\"pairs-grid\"\u003e\n      \u003cdiv class=\"pair-item\"\u003e\n        \u003ch3\u003ePotassium Sulfate (K₂SO₄)\u003c\/h3\u003e\n        \u003cp\u003eProvides 53% potassium (K₂O) and 17% sulfur (S) in a single, chloride-free compound. Solution-grade crystalline form ensures complete dissolution.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     3. SCIENCE BEHIND THE FORMULA\n     ============================================================ --\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\"\u003e0-0-53: Maximum Potassium with Dual Nutrient Delivery\u003c\/h3\u003e\n      \u003cp\u003ePotassium sulfate delivers two essential plant nutrients in a single application — high-concentration potassium for crop quality and stress resistance, plus sulfur for protein synthesis and soil pH management. The chloride-free formulation ensures no interference with flavor, sugar content, or storage quality in sensitive crops.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Nutrient Cards --\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌿 Nitrogen — 0%\u003c\/h3\u003e\n        \u003cp\u003eZero nitrogen by design. This allows growers to add potassium during fruiting and ripening stages without triggering unwanted vegetative growth that delays harvest and reduces fruit quality.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🌸 Phosphorus — 0%\u003c\/h3\u003e\n        \u003cp\u003eNo phosphorus means this product can be used in late-season applications and in soils already adequate in phosphorus, without contributing to P buildup or environmental runoff concerns.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⭐ Potassium — 53% (Quality \u0026amp; Resilience)\u003c\/h3\u003e\n        \u003cp\u003eThe dominant nutrient at maximum concentration. Potassium regulates water use, activates enzymes, drives photosynthesis, strengthens cell walls, and directly determines fruit quality parameters including size, color, sugar, and shelf life.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Sulfur Profile --\u003e\n    \u003ch3 class=\"brown\"\u003eSecondary Nutrient Profile\u003c\/h3\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e⚗️ Sulfur (S) — 17%\u003c\/h3\u003e\n        \u003cp\u003eEssential for amino acid synthesis (cysteine, methionine), enzyme activation, and vitamin formation. Sulfur also helps lower alkaline soil pH, improving availability of phosphorus, iron, and other micronutrients.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Why High Potassium? --\u003e\n    \u003ch3 class=\"brown\"\u003eWhy High Potassium?\u003c\/h3\u003e\n    \u003cdiv class=\"benefits-grid\"\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🍎 Superior Fruit Quality\u003c\/h3\u003e\n        \u003cp\u003ePotassium increases sugar accumulation (Brix), intensifies color development, improves texture, and extends post-harvest storage life — directly impacting market value of premium fruit crops.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e💧 Drought \u0026amp; Heat Tolerance\u003c\/h3\u003e\n        \u003cp\u003ePotassium regulates stomatal opening and closing, allowing plants to conserve water during drought while maintaining CO₂ uptake for photosynthesis under heat stress.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e🛡️ Disease Suppression\u003c\/h3\u003e\n        \u003cp\u003eAdequate potassium thickens cell walls and cuticles, making plants physically harder for fungal pathogens to penetrate. K-sufficient plants show measurably lower infection rates.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"benefit-card\"\u003e\n        \u003ch3\u003e❄️ Winter Hardiness\u003c\/h3\u003e\n        \u003cp\u003ePotassium increases solute concentration in plant cells, lowering the freezing point and protecting tissues from cold damage. Essential for fall applications on perennials and fruit trees.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     4. APPLICATION RATES \u0026 DIRECTIONS\n     ============================================================ --\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 Application\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eApplication Method\u003c\/th\u003e\n            \u003cth\u003eRate\u003c\/th\u003e\n            \u003cth\u003eCoverage \/ Notes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eBroadcast (General)\u003c\/td\u003e\n            \u003ctd\u003e2 lbs per 100 sq ft\u003c\/td\u003e\n            \u003ctd\u003e870 lbs per acre\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eGardens \u0026amp; Vegetables\u003c\/td\u003e\n            \u003ctd\u003e1–2 lbs per 100 sq ft\u003c\/td\u003e\n            \u003ctd\u003eWork into top 4–6 inches of soil\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eFruit Trees\u003c\/td\u003e\n            \u003ctd\u003e1–3 lbs per tree\u003c\/td\u003e\n            \u003ctd\u003eApply under drip line\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eField Crops\u003c\/td\u003e\n            \u003ctd\u003e100–300 lbs per acre\u003c\/td\u003e\n            \u003ctd\u003eBased on soil test results\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 Application\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eCrop Type\u003c\/th\u003e\n            \u003cth\u003eRate per Gallon\u003c\/th\u003e\n            \u003cth\u003eTiming\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eVegetables\u003c\/td\u003e\n            \u003ctd\u003e2–3 tbsp per gallon\u003c\/td\u003e\n            \u003ctd\u003eEvery 2–3 weeks\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eFruit Trees\u003c\/td\u003e\n            \u003ctd\u003e3–4 tbsp per gallon\u003c\/td\u003e\n            \u003ctd\u003eDuring fruit development\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eField Crops\u003c\/td\u003e\n            \u003ctd\u003e2–3 lbs per acre in 20–30 gal\u003c\/td\u003e\n            \u003ctd\u003e2–3 applications per season\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eGrapes \u0026amp; Berries\u003c\/td\u003e\n            \u003ctd\u003e2–3 tbsp per gallon\u003c\/td\u003e\n            \u003ctd\u003eVeraison to harvest\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=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eSystem Type\u003c\/th\u003e\n            \u003cth\u003eConcentration\u003c\/th\u003e\n            \u003cth\u003eEC Contribution\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eHydroponics\u003c\/td\u003e\n            \u003ctd\u003e2–3 tbsp per gallon\u003c\/td\u003e\n            \u003ctd\u003e0.7–1.0 mS\/cm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eFertigation\u003c\/td\u003e\n            \u003ctd\u003e1–2 lbs per 100 gallons\u003c\/td\u003e\n            \u003ctd\u003eInject weekly\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eStock Solution\u003c\/td\u003e\n            \u003ctd\u003e2 lbs per gallon\u003c\/td\u003e\n            \u003ctd\u003eDilute 1:100\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3 class=\"brown\"\u003eSpecific Crop Recommendations\u003c\/h3\u003e\n    \u003cdiv class=\"table-scroll\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eCrop\u003c\/th\u003e\n            \u003cth\u003eRate\u003c\/th\u003e\n            \u003cth\u003eApplication Notes\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTomatoes\u003c\/td\u003e\n            \u003ctd\u003e200–300 lbs per acre\u003c\/td\u003e\n            \u003ctd\u003eApply at fruit set\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003ePotatoes\u003c\/td\u003e\n            \u003ctd\u003e150–250 lbs per acre\u003c\/td\u003e\n            \u003ctd\u003eAt tuber initiation\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCitrus\u003c\/td\u003e\n            \u003ctd\u003e3–5 lbs per tree per year\u003c\/td\u003e\n            \u003ctd\u003eSplit applications\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTobacco\u003c\/td\u003e\n            \u003ctd\u003e200–400 lbs per acre\u003c\/td\u003e\n            \u003ctd\u003eChloride-free essential\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"info-box\"\u003e\n      \u003cstrong\u003e💡 Application Tip:\u003c\/strong\u003e Potassium sulfate is most effective during fruit development and ripening stages. Late-season applications enhance crop quality without promoting excessive vegetative growth. Always dissolve completely in warm water before adding to hydroponic or fertigation systems.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     5. HOW TO USE\n     ============================================================ --\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 Application\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eDetermine the appropriate rate based on your crop type and soil test results (1–2 lbs per 100 sq ft for most gardens).\u003c\/li\u003e\n      \u003cli\u003eBroadcast evenly over the application area or band along crop rows for more efficient use.\u003c\/li\u003e\n      \u003cli\u003eWork into the top 4–6 inches of soil using a rake, hoe, or cultivator.\u003c\/li\u003e\n      \u003cli\u003eWater thoroughly after application to begin dissolving the fertilizer into the root zone.\u003c\/li\u003e\n      \u003cli\u003eFor fruit trees, apply under the drip line (outer canopy edge), not against the trunk. Water in deeply.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch3 class=\"brown\"\u003eFoliar Spray\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003eDissolve 2–3 tablespoons per gallon of water. Use warm water for faster dissolution.\u003c\/li\u003e\n      \u003cli\u003eStir or shake until completely dissolved — no undissolved particles should remain.\u003c\/li\u003e\n      \u003cli\u003eApply in early morning or late evening to avoid leaf burn from sun exposure.\u003c\/li\u003e\n      \u003cli\u003eSpray evenly on both upper and lower leaf surfaces until lightly dripping.\u003c\/li\u003e\n      \u003cli\u003eRepeat every 2–3 weeks during the growing season, especially during fruit development.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch3 class=\"brown\"\u003eHydroponic \u0026amp; Fertigation Systems\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003ePre-dissolve the measured amount in warm water before adding to the reservoir or injection tank.\u003c\/li\u003e\n      \u003cli\u003eFor hydroponics, use 2–3 tablespoons per gallon of reservoir volume.\u003c\/li\u003e\n      \u003cli\u003eFor fertigation, use 1–2 lbs per 100 gallons of irrigation water.\u003c\/li\u003e\n      \u003cli\u003eMonitor EC after adding — potassium sulfate contributes approximately 0.7–1.0 mS\/cm at standard rates.\u003c\/li\u003e\n      \u003cli\u003eDo not pre-mix with calcium-containing fertilizers in the same stock tank — prepare separate A and B solutions.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cdiv class=\"warning-box\"\u003e\n      \u003cstrong\u003e⚠️ Calcium Compatibility:\u003c\/strong\u003e Do not mix potassium sulfate with calcium nitrate or other calcium fertilizers in concentrated stock solutions. Sulfate and calcium can form insoluble calcium sulfate (gypsum) precipitate. Use separate A\/B tanks for hydroponic and fertigation systems.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     6. CALCULATOR\n     ============================================================ --\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cspan class=\"green\"\u003ePOTASSIUM SULFATE CALCULATOR\u003c\/span\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"details-content\"\u003e\n    \u003cdiv class=\"gwb-calculator\" data-calc=\"potassium-sulfate\"\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     7. SAFETY \u0026 HANDLING\n     ============================================================ --\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 gloves and eye protection when handling dry powder or concentrated solutions\u003c\/li\u003e\n          \u003cli\u003eAvoid inhaling dust — use in well-ventilated areas or wear a dust mask when measuring large quantities\u003c\/li\u003e\n          \u003cli\u003eWash hands thoroughly 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 or airtight bag\u003c\/li\u003e\n          \u003cli\u003eProduct is hygroscopic — it will absorb moisture from the air if left exposed\u003c\/li\u003e\n          \u003cli\u003eKeep out of direct sunlight and away from heat sources\u003c\/li\u003e\n          \u003cli\u003eKeep away from children and pets\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\u003eDissolve completely in water before adding to hydroponic or fertigation systems to avoid clogging\u003c\/li\u003e\n          \u003cli\u003eDo not mix concentrated stock solutions with calcium-containing fertilizers (forms insoluble calcium sulfate)\u003c\/li\u003e\n          \u003cli\u003eAvoid foliar application in direct sunlight or during peak heat — spray early morning or late evening\u003c\/li\u003e\n          \u003cli\u003eWater thoroughly after soil application to move nutrients into the root zone\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 15 minutes. Seek medical attention if irritation persists\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSkin contact:\u003c\/strong\u003e Wash affected area with soap and water\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIngestion:\u003c\/strong\u003e Do not induce vomiting. Contact Poison Control (1-800-222-1222) or seek medical attention\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eInhalation:\u003c\/strong\u003e Move to fresh air. Seek medical attention if 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\/New_Potassium_Sulfate_SDS.pdf?236\" 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!-- ============================================================\n     8. COMPLETE YOUR SYSTEM\n     FIX: Changed all 5 \u003ch4\u003e → \u003ch3\u003e inside .pair-item cards\n     ============================================================ --\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    \u003cdiv class=\"pairs-grid\"\u003e\n      \u003ca href=\"\/products\/calcium-nitrate\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eCalcium Source\u003c\/span\u003e\n        \u003ch3\u003eCalcium Nitrate 15.5-0-0\u003c\/h3\u003e\n        \u003cp\u003eAdd calcium and nitrogen alongside potassium sulfate. Apply in a separate tank or at a different time to avoid precipitation.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/monopotassium-phosphate\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eBloom Boost\u003c\/span\u003e\n        \u003ch3\u003eMKP 0-52-34\u003c\/h3\u003e\n        \u003cp\u003eHigh phosphorus plus additional potassium for flowering and fruiting stages. Excellent companion for bloom-heavy crops.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/epsom-salt\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eMagnesium\u003c\/span\u003e\n        \u003ch3\u003eEpsom Salt (Magnesium Sulfate)\u003c\/h3\u003e\n        \u003cp\u003eComplete the secondary nutrient trio with magnesium for chlorophyll production and enzyme activation.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/sulfate-of-potash-magnesia\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eK + Mg + S\u003c\/span\u003e\n        \u003ch3\u003eK-Mag (Sulfate of Potash Magnesia) 0-0-22\u003c\/h3\u003e\n        \u003cp\u003eTriple-nutrient alternative delivering potassium, magnesium, and sulfur in one chloride-free application.\u003c\/p\u003e\n      \u003c\/a\u003e\n      \u003ca href=\"\/products\/chelated-iron-edta\" class=\"pair-item\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n        \u003cspan class=\"pair-badge\"\u003eMicronutrient\u003c\/span\u003e\n        \u003ch3\u003eChelated Iron EDTA 13%\u003c\/h3\u003e\n        \u003cp\u003ePair with potassium sulfate to address iron chlorosis — especially in alkaline soils where iron becomes unavailable.\u003c\/p\u003e\n      \u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     9. FREQUENTLY ASKED QUESTIONS\n     ============================================================ --\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 potassium sulfate and why is it superior to muriate of potash?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003ePotassium sulfate (0-0-53) is a premium potassium fertilizer containing 53% K₂O and 17% sulfur, with virtually no chloride content. Unlike muriate of potash (potassium chloride), which contains about 47% chloride, potassium sulfate is safe for chloride-sensitive crops including tobacco, potatoes, tomatoes, berries, and citrus where chloride reduces sugar content and storage life. While more expensive than muriate of potash, the quality improvements and yield benefits often justify the cost for high-value crops. For a deeper comparison of potassium fertilizer options, see our guide on \u003ca href=\"\/blogs\/gardening-articles\/what-is-the-best-potassium-fertilizer\" target=\"_blank\" rel=\"noopener\"\u003eWhat is the Best Potassium Fertilizer?\u003c\/a\u003e\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhen should I apply potassium sulfate for best results?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eTiming varies by crop, but key application periods include:\u003c\/p\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eFruit trees:\u003c\/strong\u003e Split applications — early spring and during fruit development\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eVegetables:\u003c\/strong\u003e At planting and again during fruit or tuber formation\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eGrapes:\u003c\/strong\u003e From veraison (color change) through harvest for quality enhancement\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eField crops:\u003c\/strong\u003e Pre-plant or side-dress during rapid growth\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eLawns \u0026amp; perennials:\u003c\/strong\u003e Late summer or fall to improve winter hardiness\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp\u003ePotassium is especially important during fruit development, as it directly improves size, color, sugar content, and storage quality. Late-season applications enhance crop quality without promoting excessive vegetative growth.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eHow does potassium improve plant health and stress resistance?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003ePotassium plays multiple critical roles in plant health: it controls stomatal function for efficient water use, activates over 60 enzymes involved in growth, drives CO₂ fixation and sugar transport during photosynthesis, thickens cell walls for disease resistance, and enhances drought, cold, and salt tolerance. Plants with adequate potassium show improved resistance to fungal diseases, better recovery from environmental stress, and enhanced winter survival. For a complete explanation, see our article \u003ca href=\"\/blogs\/gardening-articles\/whats-the-function-of-potassium-k-in-plants\" target=\"_blank\" rel=\"noopener\"\u003eWhat's the Function of Potassium (K) 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\u003eCan I use potassium sulfate in my hydroponic system?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes, potassium sulfate is excellent for hydroponics due to its complete water solubility and dual nutrient content. It provides both potassium and sulfur without adding chloride, won't clog drippers or emitters when properly dissolved, and is compatible with most hydroponic nutrients. Typical rates are 2–3 tablespoons per gallon, contributing approximately 0.7–1.0 mS\/cm to EC. Always dissolve completely in warm water before adding to your reservoir, and keep it in a separate stock tank from calcium-based fertilizers.\u003c\/p\u003e\n        \u003cp\u003ePotassium Sulfate is commonly used after hydroponic disease events to support plant recovery. See our complete guide on \u003ca href=\"\/blogs\/gardening-articles\/root-rot-hydroponics\" rel=\"noopener\"\u003etreating root rot in hydroponic plants\u003c\/a\u003e for step-by-step instructions.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhat are signs of potassium deficiency in plants?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003ePotassium deficiency symptoms typically appear on older leaves first and include marginal chlorosis (yellowing or browning of leaf edges), necrotic spots, weak stems prone to lodging, poor fruit quality (small size, poor color, low sugar), increased disease susceptibility, and reduced overall yields. Deficiency is most common in sandy soils, after heavy rainfall, or when high nitrogen rates are used without balanced potassium. Soil tests showing less than 150 ppm K typically indicate supplementation is needed.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eWhy does this product contain sulfur, and how does it benefit my crops?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe 17% sulfur in potassium sulfate is a valuable secondary nutrient that supports protein synthesis, amino acid formation (cysteine and methionine), enzyme activation, and vitamin production. Sulfur also helps lower alkaline soil pH, improving the availability of phosphorus, iron, and other pH-sensitive nutrients. For crops like garlic, onions, and brassicas, adequate sulfur directly enhances flavor and nutritional quality. For more on sulfur's role, read \u003ca href=\"\/blogs\/gardening-articles\/secondary-nutrients-in-gardening-complete-guide-to-ca-mg-s-2024\" target=\"_blank\" rel=\"noopener\"\u003eSecondary Nutrients in Gardening: Complete Guide to Ca, Mg, \u0026amp; S\u003c\/a\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eCan I mix potassium sulfate with calcium fertilizers?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eNot in concentrated stock solutions. When potassium sulfate is mixed with calcium-containing fertilizers (like \u003ca href=\"\/products\/calcium-nitrate\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ecalcium nitrate\u003c\/a\u003e) in a concentrated tank, the sulfate ions react with calcium to form insoluble calcium sulfate (gypsum) that precipitates out and clogs irrigation lines. In hydroponic and fertigation systems, always use separate A and B stock tanks — potassium sulfate goes in Tank B, calcium nitrate goes in Tank A. In soil applications at normal dilution rates, this interaction is not a concern.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eHow does potassium sulfate compare to potassium chloride for fruit crops?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eFor premium fruit production, potassium sulfate is strongly preferred over potassium chloride (muriate of potash). Chloride can reduce sugar content, degrade flavor profiles, shorten storage life, and cause salt buildup in soils. Potassium sulfate delivers equivalent potassium without these drawbacks, plus provides beneficial sulfur. The higher cost per pound is offset by improved fruit quality and market value. For a complete analysis of how potassium impacts fruit production, see our article on \u003ca href=\"\/blogs\/gardening-articles\/what-types-of-fertilizers-should-i-use-to-improve-fruit-quality-and-quantity\" target=\"_blank\" rel=\"noopener\"\u003eWhat Types of Fertilizers Should I Use to Improve Fruit Yield?\u003c\/a\u003e\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     10. GROW WITH CONFIDENCE\n     ============================================================ --\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    \u003cp\u003eOur Potassium Sulfate Fertilizer is backed by Greenway Biotech's commitment to quality, transparency, and customer satisfaction.\u003c\/p\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eProduct Quality Guaranteed\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eManufactured in Madera, California, USA\u003c\/li\u003e\n          \u003cli\u003eTested by independent third-party laboratories for purity\u003c\/li\u003e\n          \u003cli\u003eRegistered with the California Department of Food and Agriculture (CDFA)\u003c\/li\u003e\n          \u003cli\u003eRigorously tested for heavy metal content\u003c\/li\u003e\n          \u003cli\u003ePremium-grade crystalline form with complete water solubility\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eHassle-Free Return Policy\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eIf you're not completely satisfied, we offer a 90-day money-back guarantee. Simply return the unused portion in its original packaging, and we'll process 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\u003eEnvironmental Responsibility\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cul class=\"feature-list\"\u003e\n          \u003cli\u003eRecyclable packaging materials\u003c\/li\u003e\n          \u003cli\u003ePrecise nutrient formulation to reduce environmental runoff\u003c\/li\u003e\n          \u003cli\u003eChloride-free formula prevents soil salt accumulation\u003c\/li\u003e\n          \u003cli\u003eSupport for integrated pest management (IPM) practices\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails class=\"nested-details\"\u003e\n      \u003csummary\u003eCharitable Contributions\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003e1% of all profits go to our foundation, focused on improving educational opportunities for children in agricultural communities.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     11. DOCUMENTS\n     ============================================================ --\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\/New_Potassium_Sulfate_SDS.pdf?236\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003e📋 \u003ca href=\"\/pages\/potassium-sulfate-fertilizer-0-0-53-heavy-metals-analysis\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eHeavy Metal Analysis Report\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003e🔬 Certificate of Analysis (COA) — Available upon request\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     12. DISCOVER MORE\n     ============================================================ --\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-potassium-k-in-plants\" target=\"_blank\" rel=\"noopener\"\u003eWhat's the Function of Potassium (K) in Plants?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/what-is-the-best-potassium-fertilizer\" target=\"_blank\" rel=\"noopener\"\u003eWhat is the Best Potassium Fertilizer?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/what-is-the-best-sulfur-fertilizer\" target=\"_blank\" rel=\"noopener\"\u003eWhat is the Best Sulfur Fertilizer?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/what-is-the-function-of-sulfur-in-plants\" target=\"_blank\" rel=\"noopener\"\u003eWhat is the Function of Sulfur (S) in Plants?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/29422785-the-relationship-between-manganese-potassium\" target=\"_blank\" rel=\"noopener\"\u003eWhat is the Relationship Between Manganese and Potassium?\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/best-water-soluble-fertilizer\" target=\"_blank\" rel=\"noopener\"\u003eTop Water-Soluble Fertilizers for Thriving Gardens: A Complete Guide\u003c\/a\u003e\u003c\/li\u003e\n      \u003cli\u003e\u003ca href=\"\/blogs\/gardening-articles\/root-rot-hydroponics\" rel=\"noopener\"\u003eHow to Treat Root Rot in Hydroponic Plants\u003c\/a\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c!-- ============================================================\n     13. HAVE QUESTIONS? (LAST dropdown — email only)\n     ============================================================ --\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=\"https:\/\/www.greenwaybiotech.com\/pages\/potassium-sulfate-0-0-53-faq\" target=\"_blank\" rel=\"noopener noreferrer\"\u003efull FAQ page\u003c\/a\u003e or contact our experts for personalized advice.\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":47862890561754,"sku":"018227120890","price":21.99,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":47862890594522,"sku":"0701748874235","price":34.99,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":47862890627290,"sku":"018227120524","price":49.99,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":47862890660058,"sku":"0701748874297","price":88.99,"currency_code":"USD","in_stock":true},{"title":"50 Pounds (2 X 25 Pounds)","offer_id":47862890692826,"sku":"018227120531","price":173.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/6244\/1063\/files\/PotassiumSulfateW_S.jpg?v=1778681124","url":"https:\/\/midwestgrowco.com\/products\/potassium-sulfate-fertilizer-0-0-53","provider":"Midwest Grow LLC","version":"1.0","type":"link"}