You really shouldnt be disturbing the sandbed if this is saltwater. Your powerheads should be enough flow to suspend anything that falls and lies on the sand. Mucking with the sandbed can release toxins and other nasties into the water which can be a bad thing.
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180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18
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