Review on ๐ Ultimate Water Quality Tester: 2-in-1 pH & Temperature Meter, BNC pH Electrode, Ideal for Aquariums, Hydroponics, Tanks, Aquaculture & Laboratories by Mike Schmidt
will NOT remain calibrated for a hydroponic system.
I have calibrated this unit 3 times. Every time I put it in my tank, the PH would fluctuate by a degree or two, making it impossible to get the right PH. my dr Meter (handheld tester) properly calibrated has measured 5.6 ph in water while this product read 6.6 ph. I will return this product and buy a better one.
- Easy to use
- Interchangeable
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