i think im gonna try to buy a new filter for my tank since this one doesnt seem to cut it. its a 20 gallon tank. i was considering buying a fluval 4, but is that too big? i plan on getting a bigger tank in a few months so ill be able to use it in there.
also, with the 4 be big enough for a 60 gallon tank?
edit: also, will the 57 gallon tank fluval even fit in my tank? the dimensions of the water are about 20"x10"x10"


