Grey Water Treatment Systems: Nature Clear GWS10

Nature Clear GWS10 provides a simple and low cost effective means of treating grey water. Not only is the equipment low cost, but also, if your site is suitable, the only significant excavation work required to install the system will be the trenching. The ongoing costs will be similar to those of a standard septic system .

In order for the filtration tank to work most effectively food scraps and grease should be removed from the kitchen waste water via a grease trap. A 140L grease trap costs around $245 plus delivery. Smaller grease traps are cheaper but require more frequent cleaning.

The filtration tank, which is less than 1 cubic meter in size, consists of a pine bark coarse filter on top of different grades of sand and gravel. The pine bark traps large particles not c aught in the grease trap plus lint from the washing machine. The sand filter catches still finer materials, polishes the water and reduces the organic content of the water. The pine bark is separated from the sand by filter cloth. The filtered material and bark will compost over time and should be removed every six months and replaced with fresh bark, available from your local garden nursery. If your distribution area is down hill from the filtration tank your engineer should be able to design a distribution system without the use of a pump. If this is not the case you will need a pump and pump well.

The treated water must be distributed into trenches as specified by your engineer. Make sure his calculations of size do not include an allowance for toilet water, which would make them unnecessarily large and expensive.

DIMENSIONS
Height 780 mm
Length 1025 mm
Width 820-910 mm

Nature Clear GWS10 tank Price: $900.00 excluding sand and gravel ex-Brisbane

(Sample bags of sand and gravel are supplied)

Nature Clear GWS10 is, as of 2005, only approved in Queensland and only as advanced primary treatment. I n addition to most Queensland councils, some councils in NSW and Tasmania have also allowed the installation of Nature Clear.

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