Meters/Testers
Bluelab pH Probe KCl Storage Solution
$11.95
The perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass...
Bluelab Probe Care Kit Conductivity
Sold Out
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller....
Bluelab Probe Care Kit pH & Conductivity
$22.95
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller....
Bluelab Soil PH Pen
$185.00
A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made...
Primo TDS Tester
$55.99
Primo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality...
HALO Direct Soil Bluetooth pH Electrode
$266.99
FC2022 Hanna Instruments Direct Soil HALO Bluetooth® pH Electrode This Bluetooth® enabled electrode turns your Apple or Android device into a full-featured portable pH meter. Hanna Instruments Direct Soil HALO...
GroChek pH/EC/TDS/Temp. Combo
$278.99
This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications. At startup, the GroChek performs a self-check to assure proper working condition. The stability...
DiST 5 EC/TDS Meter
$140.99
When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST's ease of use, in combination with its affordability,...
DiST 1 TDS Tester
$73.99
The waterproof DiST 1 features a large multi-level LCD which displays both TDS and temperature readings simultaneously. An exposed temperature sensor allows for rapid automatic temperature compensated TDS/PPM measurements. Temperature...
Continuous pH/TDS/temp Monitor
$299.99
Designed for continuous monitoring of pH, TDS, and temperature, this device is simple to install and can be placed above the sample to be tested. pH, TDS, and temperature measurements...
GroChek pH & TDS Combo Continuous Reading Meter
$249.99
This continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors...
GroChek pH/EC/TDS/C Portable Meter w/ Cal Check
$292.99
HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features an large LCD that clearly...
GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester
$213.99
Here is a waterproof tester that offers high accuracy pH, EC/TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. This floating, waterproof...
Combo pH/EC/TDS/C/PPM Tester
$213.99
This waterproof tester offers high accuracy pH, EC/TDS, and temperature measurements all in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has...
Hanna Gro'CHEK pHEP 5 Meter
$139.99
The pHEP 5 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration—all in a floating, waterproof casing....
Hanna Gro'CHEK pHEP 4 Meter
$126.99
The pHEP 4 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration—all in a floating, waterproof casing. It...
Combo pH/ ORP/ Temperature Tester
$255.99
HI98121 is a waterproof meter that measures pH, ORP and temperature. The housing of this tester has been completely sealed against humidity and are designed to float. Electrode replacement with...
PH/EC/TDS/C Portable Meters
$285.99
Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this pH/EC/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications. Due to...
pHep Tester
$55.99
Waterproof pHep pH Tester The Hanna Instruments HI98107 pHep® pH tester is a rugged and reliable pocket-sized tester for use in the lab or field. This modern looking meter is...
pH Electrode for HI98127/HI98128/HI98129/HI98130
$78.99
Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130
Electrode Cleaner 16 oz
$19.99
Clean the liquid junction of your electrodes at least once a week to prevent clogging and to maintain accuracy. Immerse the electrode in the proper cleaning solution for about 5...
1500 PPM@25C Calibration Solution 20mL, case of 25
$36.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a package designed to keep air and light from damaging the solution.
1500PPM Solution, 230ml
$15.99
Hanna Instruments' solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
1500PPM TDS Sol 16oz
$19.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in packaging designed to keep air and light from damaging the solution.
1413mS/cm Sol. 230mL
$16.99
All Hanna solution bottles come with a pH Vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. Formulation Hanna pH buffers are made...
12880 S/ cm conductivity solution
$16.99
This Hanna conductivity calibration solution is widely used to assure the proper performance of conductivity meters with a scale higher than 10 ?S/cm. This solution is used mainly for industrial applications...
Storage Solution, 16 oz
$19.99
Hanna storage solutions are prepared with high-grade potassium chloride and potassium hydrogen phthalate by titration with NIST 2201 standardized silver nNitrate and NIST 84j standardized sodium hydroxide solution, respectively. To...
PH7 Calibration Solution, 16 oz
$19.99
All Hanna solution bottles come with a pH Vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. Formulation Hanna pH buffers are made...
PH4 Calibration Solution, 16 oz
$19.99
Hanna's buffer solutions are made from established formulas and are standardized with a pH meter calibrated to NBS/NIST primary standard buffer solutions. The 20 ml sachets are ideal for infrequent...
1382 PPM@25C Calibration Solution 20mL, case of 25
$36.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
1413 S/cm (EC) Calib Solution, 25x20mL, case of 25
$36.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
12880 S/cm Calib Solution, 25x20mL, case of 25
$36.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a package designed to keep air and light from damaging the solution.
pH 7.01 Calibration Solution, 25x20mL, case of 25
$36.99
pH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to...
pH 4.01 Calibration Solution, 25x20mL, case of 25
$36.99
Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 ml sachets are ideal...
Cal Check Solution, case of 25
$45.99
These sachets are for use with the Hanna HI9813-6 GroChek portable pH/TDS/EC/Temp meter, which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or...
pH Combination Electrode
$78.99
The Hanna Instruments HI1333B is a combination (full-cell) pH electrode with a single ceramic junction, polyetherimide (PEI) body, spherical tip, double Ag/AgCl reference, Bayonet Neill-Concelman (BNC) connector, and 1 m...
Gro'chek replacement probe for HI9813-6
$156.99
Replacement Probe for GroChek H19813-6
Grochek Replacement Probe for HI9813-5 & HI9813-5N
$156.99
This pH/EC/TDS/temperature probe probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions. It is a replacement electrode for the GroChek series "-5" models: HI9813-5 &...
Replacement probe for HI9026
$135.99
This replacement probe supports the combination pH electrode for field applications. The HI9026 is an advanced pH/ORP meter specifically designed to provide affordable and very precise results under harsh industrial...
HALO Gel Filled Bluetooth pH Electrode
$212.99
Halo Gel Filled Bluetooth pH Electrode This Bluetooth® enabled electrode turns your Apple or Android device into a full-featured portable pH meter. HALO gives you the ability to measure, chart,...
SPO EC/TDS Probe for HI981409 & HI981410
$85.99
EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4"). The meter switches off after five minutes of inactivity to save battery life. The outer casing also...
SPO Bluelab External Lockout/Alarm box
$59.00
This Bluelab External Lockout and Alarm Box is an optional extra for your dosing system. Use to connect the Bluelab® Pro Controller™ to external switches, for example a float switch or...
SPO Bluelab Sample Pot
$199.00
Perfect for reservoirs located more than 2 meters / 6.5 feet away from your controller unit. Place probes directly into the chamber for direct measurement of nutrient solution. Fittings included....
SPO Bluelab Powerpod
$550.00
The Bluelab® PowerPod™ is an electronically controlled mains switching box that is designed to activate mains powered equipment via control signals from a Bluelab® Controller.The Bluelab® PowerPod™ is ideal for...
SPO Bluelab Peripod L3
$2,299.00
Bluelab PeriPod L3Confidently automate the perfect pH and nutrient levels for growing reservoirs.Easy integration for nutrient solution management.Your time is extremely valuable, don't waste it manually dosing.Designed to be teamed...
Bluelab PeriPod M4
$1,229.00
Your time is extremely valuable, so don't waste it manually dosing.Designed to be teamed up with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing, the...
Bluelab Peripod M3
$919.00
Bluelab PeriPod M3Confidently automate the perfect pH and nutrient levels in growing reservoirs.Easy integration for nutrient solution management.Your time is extremely valuable, don't waste it manually dosing.Designed to be teamed...
Bluelab Pro Controller
$1,099.00
Bluelab Pro ControllerAutomated, constant control of reservoir pH and nutrient levels.Full control of reservoir pH, conductivity and temperature in one place.When connected to a dosing system the Bluelab® Pro Controller™...
