Filtration ok first water is pumped into a reed bed this removes large and medium debris then through a series of 3 home made pickell barrel filters first filled with floor polishing pads of different grades the second with chopped up ag pipe for beneficial bacteria and the third with sand to...
Thanks for the advice Colin but I don't have a snail problem. In fact I only have 2 mystery snails. If and when they bread it could become a issue of space.
Thanks Ichthys I'm actually looking to keep a medium to large fish that likes to chow down on snails. (no puffers) So I guess an Oscar is not the right one.