The Planted Tank Forum - View Single Post - reliable brand of PH and TDS meters?
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Old 05-20-2013, 08:42 PM   #8
PlantedTankRookie
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Quote:
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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