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Diana · 11-10-2012, 02:08 AM

If you have a HOB filter you could drop it in there. The constant water movement will dissolve it, though it might take all day. That is actually good. Slower change in hardness is easier on the fish.

11-10-2012, 02:08 AM	#11
Diana Planted Tank Guru (View User Tanks) PTrader: (0/0%) Join Date: Jan 2010 Location: Contra Costa CA Posts: 5,013	If you have a HOB filter you could drop it in there. The constant water movement will dissolve it, though it might take all day. That is actually good. Slower change in hardness is easier on the fish.