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akai san,
i strained the old eye and had a look at the drawing, no offence intended..it looks ok to me but ill bounce an idea around..
can someone tell me why there is a need for so many vortexes, as opposed to one big spa with no bubbles..im just not familiar with more than one vortex. please explain..
what about placing a big 2 inch screen in the base of the main tank that stops the fish from stirring that area up or blocking if dead..and it can capture soids in the bottom of that and you can tap it out daily from there to save the space and money and then use just one vortex on the outside. maybe use a 4 inch pipe with a little wastemover pump in it timed off to your garden and also a bootom tap for leaves..that would maybe keep any future prospective buyer of the property from wondering whats with the four spa baths.
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