possible sump design


fish in the sump should work. of course don't overdo it. but one or 2 damsels, clownfish,... anything small should work fine.

I used my sump for some small fish that were in the tank when starting it up. it was also a great place for dumping surplus feeder crabs

just make sure skimmer, pumps, ... are inaccessible to the fish/crabs/...

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