Review on Advanced 3-in-1 PH and TDS Meter Combo: High Accuracy Digital Water Tester for pH, TDS, EC, Temperature, and Conductivity Measurement in Home Drinking Water, Hydroponics, Aquariums, and More by Brittany Mills
Good build quality, confused with calibration instructions
build quality is good on both, each complete with case. However, I found the calibration instructions confusing, had no idea what I was doing. My guess is that there are high, mid and low points that need to be calibrated against a known pH (3 packs). However, the instructions on how to calibrate seem unclear. I'll search the internet for more guides and look for additional packages.
- trial year
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