Jadenlea Posted June 2, 2015 Report Posted June 2, 2015 Other than a PH pen, what do you guys use to test your ph under 6? Edwardnah 1 Quote
fishlover Posted June 2, 2015 Report Posted June 2, 2015 I use digital pin point monitor. It is pricy but well worth it. I had a few ph pens in the past but none of them last long.... Quote
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