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Meters, pH & Calibration Solutions

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Bluelab pH Meter

Ensure accurate pH measurement with the Bluelab pH Meter. This reliable and easy-to-use device provides precise readings of the pH levels in your nutrient solutions or soil, allowing you to maintain optimal conditions for healthy plant growth.
$224.75

Earth Juice Natural Up 1lb

Adjust pH levels naturally with Earth Juice Natural Up 1lb. Ensure balanced nutrient uptake in your hydroponic or soil-based garden for optimal plant health and growth.
$10.24

Bluelab Conductivity Pen

"Ensure precise nutrient levels in your hydroponic solution with the Bluelab Conductivity Pen. This portable pen provides accurate readings for confident control over your plant's environment. Elevate your cultivation with precision."
$104.94

pH Test Indicator 8 oz

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial.
$14.68

Bluelab Guardian Monitor

"Stay in control of your hydroponic environment with the Bluelab Guardian Monitor. This all-in-one system monitors pH, conductivity, and temperature, ensuring precision in your plant's conditions. Cultivate with confidence."
$445.20

HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)

"Ensure precise monitoring of your hydroponic nutrient levels with the HM Digital Water Resistant EC/TDS Meter (Model COM-80). This Hydrotester includes temperature measurement in C/F, providing accurate data for optimal plant nutrition. Elevate your cult
$52.99

Bluelab 2.77EC Conductivity Solution 500 mL

Bluelab 2.77EC Conductivity Solution 500mL: Ensure precise readings with this calibration solution. Perfect for maintaining optimal nutrient levels.
$21.39

Bluelab COMMERCIAL Truncheon Meter

Bluelab COMMERCIAL Truncheon Meter: Ensure precise nutrient monitoring in commercial operations with this high-quality meter. Bluelab's Truncheon Meter provides accurate measurements for optimal nutrient management and crop health.
$145.00

pH Up Liquid Gallon

This base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
$41.79

Bluelab pH Probe KCl Storage Solution 250mL

Maintain pH probe performance with Bluelab pH Probe KCI Storage Solution 250mL. Ensure accurate readings and prolong probe lifespan in your hydroponic setup.
$26.68

Bluelab pH 7.0 Calibration Solution 500 mL

Calibrate pH meters accurately with Bluelab pH 7.0 Calibration Solution 500 mL. Ensure precise readings for optimal nutrient management in your hydroponic system.
$21.39

pH Down Liquid Quart

The acid formulation uses food grade phosphoric acid to lower the pH to the proper level. Widely recognized as a consistent and reliable product. Add when your nutrient pH is too high in order to lower the pH to the proper level. Promotes pH stability.
$14.39