The Planted Tank Forum - View Single Post - Playing "chicken" with DIY CO2 mix.....
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post #6 of (permalink) Old 03-20-2013, 06:12 AM
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Join Date: Jun 2004
Location: Baton Rouge, LA
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The 4DKH is designed to work with the reagent from a standard pH test kit. (But not a high-range test or anything unusual.) So that at least is something you can reuse.
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