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Thread: Shutting Down the Bottom Drain and Just Relying on Skimmer

  1. #21
    Oyagoi yerrag's Avatar
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    Jul 2013
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    Quote Originally Posted by vipertom View Post
    Cetus sieves and up flow filter with baci twist media from Kent Wallace.
    I'm not familiar with upflow filters but does it work like a sand and gravel filter?
    What is your flow rate and what is the type/size of your settlement chamber?

  2. #22
    Jumbo Appliance Guy's Avatar
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    Quote Originally Posted by yerrag View Post
    I've concluded this test of shutting the bottom drain and relying on skimmers long ago. I just forgot to make my final comment: It is a very stupid idea. True, the fines haven't been plugging up my biofilters as much, but they're staying longer at the pond bottom, as with the rest of the fish waste. Foolish of me that I'm allowing waste to settle at the pond bottom. In hindsight, counting on using my em1 microorganism to somehow do its work was folly. Why would I purposely make my pond pathogenic, just because I have beneficial microorganisms at my disposal to neutralize the pathogens. My pond came with a bottom drain, which is a blessing compared to having none. The use of em1 would certainly benefit some ponds that are designed poorly, and though my pond is far from perfect, I now know disabling the bottom drain can only make it worse.

    My slogan now is to remove the solid waste as early as possible, not to leave it to fester and pollute the pond water. Let waste settle as much, and don't just leave them. Remove as quickly and as often as practically possible. This way, much less work is needed to filter out the fines and the DOCs.
    Sometimes you gotta figure things out for yourself. Glad you came around.

  3. #23
    Oyagoi yerrag's Avatar
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    Quote Originally Posted by Appliance Guy View Post
    Sometimes you gotta figure things out for yourself. Glad you came around.
    And it didn't cost me a koi. Lucky me, I got away with it ☺

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