The Planted Tank Forum - View Single Post - Fuval shrimp substrate
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post #10 of (permalink) Old 12-02-2017, 09:55 PM
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Originally Posted by psalm18.2 View Post
Does anyone cap this stuff? I'm wondering if I should cap with some small river rock substrate as it's really affecting my pH, GH, and KH.
It's supposed to do that, I wouldn't cap it all. Just remember that the buffering capacity of your tank is now in your substrate rather than the KH in the water.
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