well I got a 90gallon tank a little while back for cheap, it came with a magnum 350(I think that's the size) canister filter. I got it even cheaper because the plastic piece on the filter was leaking. I put some silicone on the crack and that fixed the problem. but I cleaned out the filter last night and the filter started leaking(it's in a bucket, so no floor damage) again. I could just reseal it again with silicone, which will probably only hold until the next time I take the filter apart, or I could get a new part. does anybody know if a fish store would sell replacement parts for this filter? it's just the plastic part, no motor, so I'm hoping I can find a dealer and get one for under the price of the whole filter
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