http
/www.onlineaquariumstore.com/acatalo...mplete_Set.html
i have one of the above, how long would the canister last? are they as good as the gas systems that are a few hundred pounds, if not whats the difference? also should there be a constant bubbles in the cyclinder?
thanks

i have one of the above, how long would the canister last? are they as good as the gas systems that are a few hundred pounds, if not whats the difference? also should there be a constant bubbles in the cyclinder?
thanks