Since my aquarium is sumpless, I don't have the added benefit of having the surface of the water constantly being skimmer from falling into the overflow to remove the surface scum that builds up in the aquarium. And rather than purchasing a surface skimmer that looks very unsightly, I though of a simple method that I can do to remove some of the film and hopefully over time get a handle on the situation. During my water change I would use tubing to siphon water from the aquarium into the container. ...
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