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Old 11-20-2004   #2 (permalink)
dick benbow
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Join Date: Dec 2003
Location: seattle, wa
Posts: 4,527
I quess i've heard koi wastes now being refered to yet another "term".

But it's still the same stuff, kinda like a rose by any other name type thinking.

one of the first pioneers to get the "stuff" out of the pond was a japanese who engineered the koshihara method. Basically it was a rectangle shaped pond with a shallow end and a deep end. The shallow end had the waterfall/return line piped to it to create a current to sweep the waste into the deep end. A drain pipe in the end would collect the waste and with the introduction of a constant
trickle cause the overflow to empty out to waste.

after that a sump was Designed apart from the filter system with stand pipes in which the keeper would pull the pipe length off an unglued coupler in a sump
causing the collection pits in the bottom of the pond to have their collection sucked out and deposited into the sump. after the sump quit running the pipes were slipped back to fit and water allowed to clear. when nothing of value was found collected. ( small tosai could get sucked up some times) then another set of stand pipes were pulled to drain the filthy water to drain.

With today's modern filters that use vortex systems this is also accomplished
with plumping from the drain pipes from the pond's bottom to mid level vortex entry chambers.

Keep in mind the Bacteria house filters are suppose to have this "yuk" to feed the filters.

what I'd like you to learn is this.

a system that eliminates the waste as a whole instead of chopping it up thru a pump and then into the filters is way ahead of the game. Mechanical filters
that eliminates the solids prior to filtration help to accomplish your goal to allow filters to be just filters. Anything you can do to design a system that traps the wastes so you can DAILY eliminate it prior to anything else is your goal. I cringe when I see systems that has a pump pull the wastes up from the bottom, create a tiny cloud of waste and then blow it into a filter. Even if the filter is in the vortex system, I'll ask and hear it gets dumped as needed or at best every weekend. if you pay all this money and make all this effort to trap the stuff why do you let it sit for a week. Mine gets drained daily in the winter and twice daily in summer! ( yes I agree I'm fanatical but my koi's health comes first and ya know something, my health does alot better when theirs is good too! I stress faster than they do! Mahalo
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