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Good, affordable PH tester?

I've been using the pH solution from my API aquarium pH test kit, but its a pain having to draw water, use drips, etc. every time, and it doesn't seem to measure below 7, and I know cannabis in a water solution prefers closer to 5.5. Can anyone recommend a good, or at least descent, pH tester that won't break the bank? What about this one...

Good, affordable PH tester?


April 05, 2020 at 01:08AM

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