I cleaned the rings and added a bit of the vaseline from the package I got with the filter on the inside of the canister and eliminated microbubbles with my eheim...
Best of luck....
58 gallon Community Planted - 4 boesmani / 1 praecox rainbow, 3 giant danios, 1 clown / 1 albino pl*co, 1 bronze / 2 albino cories, cherry barbs, sunset platy's, cardinal tetras
8 Gallon hex - 3 F1 Black Brichardi and fry..("Lamprologus sp. Walter")
10 gallon work tank - Pair of dwarf gourami and 2 cherry barbs / 2 gallon - 4 Fundulopanchax gardneri / 10 gallon - bunch of killitanks
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