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What is it with Americans and sponge filters? I think you all have
spongy brains. I use a round goldfish bowl undergravel filter in a small
container full of gravel. It is very cheap, keeps the tank very clean,
and is easy to clean. They don't look very nice in show tanks though.
:-) >>
As you mentioned in a round about way: "They don't look very nice in show
tanks though". Well the sponge looks ok in the show tank. Remember don't
knock until you need to use it.
Jim Capelle in Sunny Florida(USA)