W WaywardSon Carry on ... Jul 16, 2008 1,760 0 36 65 Jul 30, 2008 #1 Has anybody used an internal filter to diffuse Co2; and, if so, how did you set it up? :help:
247Plants Plant Obsessed Mar 23, 2007 2,098 0 0 eastside LBC Jul 31, 2008 #2 No but I remember reading a thread about it awhile back. You could use the search here to find it.
