Originally Posted by iaefebs
Your math is spot on for a perfect cube. The container "necks down" for the lid opening and the handles are recessed so you wouldn't be able to fit 16.96 gallons in it. The 11 gallon batch in the 50# size will go up to the bottom of the hand grips. I use one occasionally they work great.
Awesome, thanks for double checking me, and letting me know where the level is on the 50#.
I am going to get 2x 30# and 1x 50#.
I plan on fermenting 7-9 gallons in the 30# and 12 gallons or so in the 50#.