Reef janitors

[dakid]

How often do you replenish your janitors?



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[AlSimmons]

Very rarely... I can do a better job of keeping that tank clean than any invertebrate can.

FWIW though I think I have about 4 trochus snails and one red-legged hermit crab in my standard 20gallon tank and it looks pretty clean. There's really no point in adding anymore than this right now.