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SubRosa · 01-13-2008, 01:59 PM

Generally limestone is safe.It can contain contaminants such as heavy metals, but depending on what form of limestone you used they MAY be insoluble in seawater.You can't know without an indepth analysis of the rock.

01-13-2008, 01:59 PM	#13 (permalink)
SubRosa Torch coral Join Date: Feb 2007 Posts: 563 View Gallery Karma Komment	Re: Limestone In reef tank? Generally limestone is safe.It can contain contaminants such as heavy metals, but depending on what form of limestone you used they MAY be insoluble in seawater.You can't know without an indepth analysis of the rock. __________________ Life is a comedy to those who think and a tragedy to those who feel.HAHAHAHAHAHAHAHAHAHA!!!!!