Review on π± Revolutionary Fivota Hydroponic System for Drinking, Swimming, Aquariums & Hydroponics by Charlie Dillon
Easy to use and accurate calibration
I have had several different PH testers like this one. I bought a similar auto-calibration machine a few days before this purchase and was not at all happy with the calibration process. The ability to manually calibrate this meter is HUGE. That makes it easier and more reliable. I use a grow water meter and it works GREAT!
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