Aug 31, 2013 #1 Cichlid-dude Aquarium Advice Addict Joined Apr 9, 2011 Messages 1,565 Can you use gfo in a media bag or just reactors?
Aug 31, 2013 #2 Sniperhank Giant Clam Addict Joined Nov 18, 2011 Messages 20,651 Location Summerville, Pennsylvania Either will work. Reactors are just a more efficient way of using it.
Sep 1, 2013 #3 OP OP Cichlid-dude Aquarium Advice Addict Joined Apr 9, 2011 Messages 1,565 Ok thanks!