Maybe more practical than you think; 1.5 buckets awful close to 1 cuft so 6 buckets=4 about cuft :) Lew -----Original Message----- Subject: Re: [SEL] O.T O.T O.T Need to talk to a math expert Rick according to my input 1 cu ft = 7.48 gal so this would not be practical for me, I wish it was. Paul