Dec 27, 2010 #1 Pizzapro83 Well-Known Member View Badges Joined Apr 13, 2009 Messages 714 Reaction score 5 Location Lockport NY Rating - 0% 0 0 0 I have a 120 gallon tank that has a 1 inch hole. How much water will it drain in a hour?
Dec 27, 2010 #2 _Alex_ Valuable Member View Badges Joined Nov 22, 2009 Messages 2,109 Reaction score 87 Location wichita, kansas Rating - 0% 0 0 0 3/4 or 1" pipe, i would say 500-600gph. But thats just a guess. If your wanting to use it as a overflow I personally would add atleast 1 more if not 2 more holes.
3/4 or 1" pipe, i would say 500-600gph. But thats just a guess. If your wanting to use it as a overflow I personally would add atleast 1 more if not 2 more holes.
