Feb 25, 2016 #1 CodyRVA 2500 Club Member View Badges My Tank Thread Joined Nov 12, 2015 Messages 2,539 Reaction score 1,584 Location Wilmington, NC Rating - 0% 0 0 0 1/2 cup carbon, 1/4 cup gfo (recommended) I suppose you could go with 3/4 cup carbon or gfo
