What to do with anaerobic substrate - The Planted Tank Forum
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post #1 of 2 (permalink) Old 01-29-2013, 06:07 PM Thread Starter
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What to do with anaerobic substrate

Chuck it? I am redoing my 29 and i found a pocked of dark substrate that looks like it went anaerobic and I was wondering... mix it in? chuck it? I was hoping to use it with some fresh gravel to retop my new dirt tank (which will be interesting hehe)
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post #2 of 2 (permalink) Old 01-29-2013, 09:05 PM
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If you are rebuilding a tank, I'd think just taking it out, and giving it a bit of a rinse should make it fine for re-use.

I think the major concern with anaerobic pockets isn't the bacteria themselves, or anything in the substrate specifically, but generating H2S or other toxic gasses.
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