Originally Posted by bigred76
A set-up for Scuba filling would run you about $400. You'd need one tank for bulk fills, one tank for topping off, and a fill station.
You can buy just one scuba tank and fill station for just under $200, atleast thats what the stores over here charge. You wouldn't get that many fills but if you don't have a gun that is a gas hog you would be fine for a day.