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Thread: Ph shift?
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post #4 of (permalink) Old 11-12-2012, 02:41 PM
somewhatshocked
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Join Date: Aug 2011
Location: Louisville, KY
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Large, frequent water changes are only necessary if you have large amounts of fertilizer in your water column or tons and tons of waste to remove.

Your pH drop could be a result of your tank aging, driftwood tannins, substrate, et al.
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