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greer3n · 02-09-2007, 04:23 PM

i have a jar of coquina sand from florida that my mom collected when she was little.it's basically crushed shell, i was wondering if it was safe to use in my salt water tank or if it's going to spike my nitrates or something.

02-09-2007, 04:23 PM	#1 (permalink)
greer3n Plankton Join Date: Jan 2007 Posts: 17 Karma: 1	coquina sand? i have a jar of coquina sand from florida that my mom collected when she was little.it's basically crushed shell, i was wondering if it was safe to use in my salt water tank or if it's going to spike my nitrates or something.