Quote:
Originally Posted by Doug
So I cancelled my refugium and will drill my 30g for an overflow to make one. It will sit higher than the sump and drain into the return section.
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I've always wanted to do that. Multi-tiered systems seem like such a good idea to me, using gravity to do do most of the work for you if you've got the space to do it. In my dream system I'd have a frag tank, a refugium, and a separate large vessel that could be isolated and drained for water changes all arranged in a cascade and powered by gravity