Quote:
Originally Posted by richardsantink
You mention using a canister filter.. you can purchase surface skimming attachments from Eheim, Fluval, etc.. that effectively remove surface film in freshwater tanks. I have used the Eheim version and it was very effective providing the water level doesn't fluctuate more than 1/2 inch.
RAS
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Ive used one of these before, all they are is a tube for the inflow of the filter, with a gauze bottom, and a gauze top.. most are adjustable so you can set it to take more or less inflow from the bottom and the top.
Theyre very very cheap and work really well.