...from a 10 gallon to a 20. after nearly three months of off the charts ammonia levels and a cycle that never seemed to get started and reams of contradictory advice from lots of well-meaning people, i'm going to move five glo-fish (lost two guppies along the way) into a 20 gallon. as of right now, we're doing weekly 20% water changes just to try to keep ammonia levels low as we can. what i'm hoping for is some advice on how best to cycle this new tank once we get it set up. if these little buggers now seem to be doing okay with toxically high ammonia levels, is there a chance they'll do okay just plonked into the new tank to start the cycle on their own? should i try to colonize bacteria in the water/filter before they go in? for how long? or is a fishless cycle the quicker option. basically, i would like to avoid having two tanks running for several weeks if that is possible. after things get cycled/settled (by whichever means) and the fish seem to be happy and adjusted, whats the best method to introduce new livestock with minimal risk of tank instability. daughter wants a snail. i want an oto. ideas? thanks to any and all who respond. your help is much appreciated.