A five gallon bucket to big?
the smallest subm. pump i can locate is 11gpm...a little over kill. if anyone can find something smaller post it up please.
i brought one ages ago, used it once and now is gathering dust,as i have switched back to using little rockwool cubes is a propagator ! its easier, cheaper, no noise, no leaks and no more stressing .just need to learn how to do it ,very simple