ok...and then just add the new sand and also buy the sand cleaning critters to maintain it? should i leave an inch of the old sand at the bottom?
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75 gal reef tank w/ 60 # LR 36 Gallon Sump
aragonite w/ CC
some corals(softies, cabbage, finger leather etc) A tiny Clown, Sheldon the Cleaner shrimp, Lenny the Algae Blenny, Coral Beauty, Royal Gramma and Norman the Yellow Tang, and Neal the yellowheaded jawfish
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