
HWONG
Koi Addict
May 14, 2006, 12:34 AM
Post #8 of 16
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Re: [HWONG] Remodelling my pond
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Tao, Jon, Thanks for the suggestions. I have put some thoughts into using vortex which are made of Fiberglass ( the ready made ones are too tall and my existing filters don’t have the depth to take them. Moreover, in this remodeling job, I am working with constraints. There are actually 2 systems to my design. The Long filter to the right is my existing one and the first 2 chamber are leaking badly. I have to redo the piping but don’t want to do massive hacking, so I will run new pipes and raise the floor for the entire stretch. As you have rightly said, with conventional filters, the shit rest on the filter floor and are hard to flush out. This is the reason why it will mainly draw-in Mid level pond water; so there shud be little solid waste (I assume). The water from mid level will be put through the Biological filter 1 (on the right) I will consider moving bed of some kind but definitely there will be massive amount of aeration here. The water will be pumped using 2 units Tsurumi 12k liter/hr pumps back to the pond ( left to right)at 1 1/2 feet below the surface to create current. Ok lets look at the 2nd filter. I will draw-in pond bottom water but at 1foot from the floor. A friend uses this method. Instead of a usual shallow dome that covers the bottom drain, a big flower pot will cover the bottom drain (with the usual 1"gap at the bottom to suck in shit and water.) The heavier shit will be sucked into the bottom drain and this is directly discharged into the drainage chamber #8 everyday. The stand-pipes for these 2 bottom drains will have a deliberate overflow. This constant movement of water will draw the solid waste into the pipes. When the stand pipes are pulled, it will have the bulk of the solid waste flushed out. The water at the 1 foot height has little solid waste and this water goes to the 1st chamber #9 of the filter which is small and purely to trap waste. Water goes to the 2nd chamber through a 3 X 6inch pipes. A piece of Jap matt will cover these pipes to sieve whatever solids there is. The first chamber will be completely drained every 2 days. Chamber# 10 will just have some brushes and # 11 will have 2 X Tsurumi pumps to pump the water up the 2 Bakki showers. So what do U think of my plans now?
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