Mantis Substrate
ahh you want buffering [img]images/smiles/icon_biggrin.gif[/img] ok pool filter sand wont do that.. I would gie them a small crushed coral. hang on I just happen to have a caribsea catalog here [img]images/smiles/icon_wink.gif[/img] ok CaribSea makes a sizee bigger than sugar called "seaflor special grade reef sand it is 1.25 to 1.95mm diameter
Steve
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