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**Hoppy** · 03-12-2012, 06:34 PM

Quartz is silica. The two aren't synonyms but quartz is a form of silica. Silica sand and quartz sand are the same thing.

03-12-2012, 06:34 PM	#5
Hoppy Planted Tank Guru (View User Tanks) PTrader: (52/100%) Join Date: Dec 2005 Location: Sacramento, CA Posts: 17,198	Quartz is silica. The two aren't synonyms but quartz is a form of silica. Silica sand and quartz sand are the same thing. __________________ Hoppy