Connor Elliott Posted January 13, 2021 Share Posted January 13, 2021 (edited) My tapwater has a GH a 5.6 dh my tank water has a GH of 5.6 dh my tap water has a KH of 2.4 dh my tank water has a KH of 2.4 dh my tap has a ph of 8.2 my tank has a ph of 7.4 maybe a little lower why is this? I do have driftwood and catappa bark is that why? Also should I add a mineral supplement for my low KH? Edited January 13, 2021 by Connor Elliott Link to comment Share on other sites More sharing options...
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