I use 1"-2" of crushed coral for my fish-only. I don't like my substrate too deep as it traps detritus and is more trouble to clean.
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Oh..... Fishy Fishy Fishy FISH !
Current Tank Info: 60 Gallon Fish-Only With Dry Rock, Filtration: Aquamaxx HOB Filter/Skimmer & Aqua-Tech 30-60 300 GPH HOB Motor Filter, Livestock: Coral Beauty and Maroon Clown
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