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a DIY mechanical static filter which can be seen on the right
(grey drum using static HSA media). The other pump is connected
to a DIY retro fit drain inside the pond. A aerator is cable tied
to the DIY drain to create a mushroom vaccum effect that helps
draw waste towards the drain. This has worked marvellously well
considering the pond is a flat bottom. A hiblow 80 is used to
power the aerated bottom drain. FLow from the showers pushes waste
towards the bottom drain. This pond is heavily stocked at the
beginning of the season there were 28 koi. 8 koi below 20cm, 5
were below 40cm and the rest were between 40 and 58cm. In february
2007 the population was reduced to 18. The next few pages will
display the growth of just a few koi halfway through the season
more will be added at the end of the season.
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