I had to go back and measure my tank again...it's 30 x 55. I found a calculator that figures volume of the end cap volumes too. It's found at this link. http://www.samuelpressurevesselgroup.co ... lator.aspx
Yep, it's the one I linked. I thought it was a barrel. The site he linked to is interesting. i never knew there were so many different end caps on tanks. Not sure it makes that much difference for our purposes tho. I still get ~150 gal.Puff wrote:Pete, don't you have that calc in your list? On my 80 gallon tank, I cheated....I just read the tag on it and went with that