Dec 19, 2004 #1 J jacktheknife Aquarium Advice Freak Joined Dec 2, 2004 Messages 267 Location North Central Iowa if i run the gas line off of my diy co2 reactor underneath the ugf, will having to rise through the ugf and substrate work as a diffuser?
if i run the gas line off of my diy co2 reactor underneath the ugf, will having to rise through the ugf and substrate work as a diffuser?