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PH Meter, 3-in-1 TDS/PH/Temperature Meter with ATC, 0.01 Resolution High Accuracy, Data Lock Function, LCD Display, Lab Ph Meters?
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1 review of this product found across Reddit:
1 point
·
13th Sep 2021
FWIW, I've been having really good luck with this one. It does both ph and ec. I calibrate it about once per month and it reads close enough for weed growing.
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