The Planted Tank Forum - View Single Post - reliable brand of PH and TDS meters?
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post #8 of (permalink) Old 05-20-2013, 07:42 PM
Algae Grower
Join Date: Feb 2013
Location: Central MA
Posts: 129
Originally Posted by Clemsons2k View Post
I use a $15 meter off amazon. You should definitely invest in some calibration solution though no matter how expensive the meter is.
TDS or ph?
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