appsgang43 AC Members Jan 6, 2007 18 0 0 New York Jan 21, 2007 #1 I am wondering how much charcol should be used in a filter for a 30 gallon aquarium.
liv2padl cichlidophile Oct 30, 2005 2,686 0 0 north carolina Jan 21, 2007 #2 http://www.aquariacentral.com/forums/showthread.php?p=747336#post747336
