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Based on the responses thus far, it sounds like there's no solid proof one way or the other that the system works.
I suppose it also does no harm to try it for a few months to see what the results are, but if I do, then I should still use a small amount of dichlor on a regular basis. Am I correct in this assumption?
Thank you all for your informative responses.I have a large saltwater aquarium system that has been running for years without any artificial filtration (except protein skimming). The natural ecosystem is established and keeps a very stable water chemistry balance.