Oct 6, 2012 #1 edwardclaxton Aquarium Advice FINatic Joined Oct 3, 2011 Messages 524 Whats the gph of the aquaon 220 overflow box? I seen that it goes up to 400 gal tanks but it doesnt say the gph.
Whats the gph of the aquaon 220 overflow box? I seen that it goes up to 400 gal tanks but it doesnt say the gph.