Collection:
pH, EC, TDS, and PPM Control
53 products
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Hanna HI5036-012 Quick Calibration Solution pH/EC 120ml
HI5036-012 is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration ...
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Hanna HI98118 GroLine Waterproof pH Tester
The HI98118 GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic nutrient solutions. The maintaining of an optimal pH is essential to maximize optimum growth. The general r...
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Hydrofarm 2-Way pH & Moisture Meter
Take control of your gardening success with the Hydrofarm 2-Way pH & Moisture Meter! Easily measure pH levels and moisture content to ensure optimal plant growth. No more guessing, just results...
Hannah Hi50036P Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets)
HI50036P is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH ...
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HM Digital Handheld TDS-3 Tester
The HM Digital Handheld TDS-3 Tester is a reliable and accurate tool for measuring total dissolved solids in water. With its compact design and quick results, it is perfect for professionals and ex...
MICROBE Life Hydroponics pH Down 32oz
It is formulated with R/O and UV sterilized water and combine two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance.
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