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Thread: Diy blackwater
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post #8 of (permalink) Old 01-23-2013, 12:05 AM
thelub's Avatar
Join Date: Jan 2013
Location: SE Washington
Posts: 1,983
I used sphagnum moss for a substrate under a sand cap and it dropped my ph almost a point. Went from 7.6 out of the tap to 6.8 in the aquarium.
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