I suppose this would mean their skimmers are working at 100% efficiency and no longer need carbon or GFO and the like. Sounds like my car, it gets such good gas mileage that the gas tank overflows when I'm driving down the highway. If the skimmer continues to pull out gunk then obviously there is still organic material in the water. I wouldn't purposely add concentrated pollutants to my tank. Skim less or feed more if it's that big of a problem.
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