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All tanks here are valved and dumped daily. All chambers run open, nonpressurized, and heavily aerated. The new towers will be my largest and I am looking forward to their effect on filtration. I am also thinking they will be a good backdrop in my greenhouse pond, partially screening the filter pit, not an eyesore at all. But I'm kind of an industrial guy.
I agree that formulas can be misleading and may mean little, so I try to always vary the approaches I use and the media, always using "more than I think neccessary." Well, I guess I don't vary my approaches all that much. Give me "valved and dumped daily. All chambers run open, nonpressurized, and heavily aerated" like I said.
Right now it is not planned to use K1 on this pond's filtration. Though I love it and find it easy and effective, my water is so hard that the K1 gets caked up and stops floating, no matter how much air. If I pull the media and set it aside in a tub it cleans itself up in a week or two and I can put it back. Doesn't seem to be the most high tech way to go about things, and media sitting in the bottom of a tank bugs me, so I am back to using spaced, aerated mats.
Mickey the windowman
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