The Planted Tank Forum - View Single Post - pH Meter
Thread: pH Meter
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post #5 of (permalink) Old 11-22-2012, 12:04 PM
Algae Grower
Join Date: Nov 2012
Location: SC USA
Posts: 5
please forgive the thread jacking... but
how often do these meters need calibrating (the milwaukees for instance)?
seems they come with hi/low sachets for calibration and that's it. Wondering about running costs.
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