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Accuracy always in question. Resetting it is a chore. However, better than using paper tester.Published 15 days ago by Jerry
Totally useless. I bought #4 solution at a hydroponics shop to calibrate and they tried to set it up for me. Never worked.
Zero stars should be an option.
You have to calibrate this thing every time you use , better buy paper indicator to save a lot!!Published 4 months ago by alexey
My plants ended up nearly dead after this ph meter kept telling me my water was very basic, when in fact it was perfectly neutral. Read morePublished 4 months ago by miranda