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**TheOldSalt** · 04-15-2008, 04:33 PM

You rinse your filter media in tank water because the idea is to cleanse the gunk off of it, not wipe out the bacteria on it. If you used tapwater, you'd wipe out your good-guy filter bacteria.

04-15-2008, 04:33 PM	#28
TheOldSalt Darth Ichthyos Join Date: Jan 2005 Posts: 4,343	You rinse your filter media in tank water because the idea is to cleanse the gunk off of it, not wipe out the bacteria on it. If you used tapwater, you'd wipe out your good-guy filter bacteria.