PH/EC/TDS Meters and Solutions
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Vendor:General Hydroponics
GH pH Test Kit 1 oz (24/Cs)
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. Many experienced growers prefer our pH Test Kit to...- $8.63
- $8.63
- Unit price
- per
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Vendor:Hanna Instruments
Hanna Instruments Cal-Check Solution, 20 mL
The Hanna Instruments PEI Plastic Body pH Electrode will give anybody a chance to test pH while still being affordable. HI50021P is a premium quality calibration check solution used exclusively for the HI9813-6 portable pH/EC/TDS/Temp. meter. Each sachet has the lot number and expiration...- $1.64
- $1.64
- Unit price
- per