I run a 125 gal african cichlid tank and a small reef tank. I have a RO/DI filter as well and am curious if the waste water would be bad for the fresh water tank. I figure it has to be cleaner than the tap water I use now. So far I stick to the book and haven't tried this yet, what is your input?
Last edited by vividgraphx; 10/30/2013 at 10:59 AM.
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