The Planted Tank Forum - View Single Post - reliable brand of PH and TDS meters?
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post #6 of (permalink) Old 05-20-2013, 07:12 PM
somewhatshocked
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Join Date: Aug 2011
Location: Louisville, KY
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Just the standard light blue TDS meter with the dark blue cap.

But any of the $10ish meters on eBay should work just fine. I've been using them for years.
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