yes frozen solid means anything alive pre freeze likely is not alive anymore....
oolitic sand is very fine (small grained) and I would think it would blow around significantly in a reef tank. That sand gets everywhere I was cleaning it out of my GoPro camera after a geological field trip studying modern carbonates in Caicos.
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130 Gal Community Planted Tank and a 250Gal Peninsula FOWLR
Last edited by Simons; 02-13-2014 at 07:31 PM.
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