| Re: Is it possible my PH solution is no good?
The solution must be bad. Almost every brand of PH Down is extremely sensitive. My tap water runs 7.5- 8.0 and I use a syringe to measure how much I use. Typically, about 1 ml to a gallon gets me to 6.5 -6.8 which is the range that I use.
Buy new solution.
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