The Planted Tank Forum - View Single Post - How to calibrate my ph meter?
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post #7 of (permalink) Old 11-25-2012, 02:25 PM Thread Starter
Algae Grower
Join Date: Oct 2012
Location: Connecticut
Posts: 46
So should I use distilled water the one I buy in jugs at stores and just use that as a 7ph calibration?
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