Mike Lowry writes: > Knocking 900 psig down to > a consistent 10-25 psig is a pretty good trick...can anybody tell me how > much the gas expands when this occurs (just curious)? 900 divided by 10 wold be 90 times. 900 divided by 25 would be 36 times. So it expands to 36-90 times its compressed volume. Easy, huh? Bob Dixon Cichlid Trader List Administrator o http://cichlidtrader.listbot.com 0 ><}}})>