cloudy surface?

[Canadian Man]

NO NO NO
what i do with my supless 90 g is i have an eheim surface extractor hooked up to an empyt canister filter and that get's rid of the surface scum beautifully. hagen now makes one too. i have tried all the aformentioned tricks and none of them work great. i even put a spraybar on my rio 2100 (690gph) at the surface and all the scum went to one side.
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