They are not a problem - mostly filter feeders. If you have tons appearing it likely means you have excess nutrients in your system but a few of them are not harmful IMO.
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They are not a problem - mostly filter feeders. If you have tons appearing it likely means you have excess nutrients in your system but a few of them are not harmful IMO.
30 Gallon reef, 220 gallon South American Cichlid tank.
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