Jul 15, 2011 #1 xfactor6699 Aquarium Advice Addict Joined Mar 22, 2011 Messages 1,574 Location Ohio What gallon is my hex. Its 23" high and 22" from flat to flat and 25" point to point
Jul 15, 2011 #2 mfdrookie516 Aquarium Free - 2+ Years Joined Jul 23, 2009 Messages 19,407 Location Orange Beach, Alabama Quick Calculator for Aquariums 125g if your flat to flat means the length of one pane.
Jul 15, 2011 #3 OP OP xfactor6699 Aquarium Advice Addict Joined Mar 22, 2011 Messages 1,574 Location Ohio Thx I was given wrong measurements its a 40g according to the chart
Jul 15, 2011 #4 HUKIT Aquarium Advice Addict Joined Dec 15, 2009 Messages 6,932 Location 42.2411°N/88.3161°W I've never seen a hex that large, I would have guessed about 35g from those dimensions.