Once he has sifted through the sand over a period of a couple weeks, the sand storms will be minimal! They really do a fabulous job of cleaning the sand but need to work through the dusty stuff first. Really, it gets MUCHbetter! My water is very clear and I only see "debris" in the water at feeding time/at night when he is eating and getting ready for bed. And it is minimal since my sand is no longer really "dusty" (I have sugar sand).
Really they are worth it!

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45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer
-2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp