HM Digital PH-200 Waterproof pH/Temperature Meter AD300038 Just assemble and add your

Just assemble and add your favorite starting mix

There have been no phytotoxicity issues when using SuffOil-X as directed

3 years @ 10 tests per day

residue or taste

(310 grams) in 50 to 100 gallons (189-380 liters of water per 4

HM Digital PH-200 Waterproof pH/Temperature Meter AD300038 Just assemble and add yourFEATURES Measures pH and temperature Auto ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up Waterproof housing Simultaneous temperature display Measurement Range: 0 14 pH Digital Calibration (push button)Auto off function, data hold function and low battery indicatorDisplay: large and easy to read LCD screen includes simultaneous temperature