Hi Discus Lovers, Recently Carol made a good post on sponge pre-filter. She did not say anything about medium inside filter. Some time ago I got tired of using sponge inside filter. Had to clean at least once a week. Got some hollow ceramic pieces (Noodles), to use as filter medium. Bio worked out great. Clean once a month. Has this worked for anyone else or can anyone suggest a better medium ???????
BOB
BOB
) and the Biowheel as well.

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