The water is initially pumped in at the top of the soilbox, where it travels down via gravity through the 4 levels. Finally there is a layer of pea-shingle at the bottom to achieve excellent drainage. The top layer is roughly 2 feet deep of humus-rich top soil, which sits on a bed of very fine building sand, which in turn sits on a layer of course sand. Once the greywater has been pre-treated, it can be filtered using a very simple soilbox consisting of four layers of material. The greywater enters the top of the sand filter and travels down through the sand via gravity, with the sand removing any sizeable particles. The initial filtration can be simply achieved using a sand filter that removes any large particles. It is not recommended to use greywater on fruit or crops, since there is a chance the plant will ingest the harmful pathogens when they are watered. Using this greywater is relatively simple, you can either syphon it directly from the bath or sink or you can fit a valve to the external waste pipe allowing you to direct the water to a water butt, so it can be used as needed to water the flowerbed. Once the bacteria have used up all the oxygen it will become foul smelling, and these anaerobic bacteria can contain harmful human pathogens.
Cobalt boats grey water tank skin#
skin particles, hair and detergents) and multiply very quickly. If you don’t want to treat the water, you need to use it very quickly since bacteria present in the water feed on any organic matter present (e.g. Each of these is described in detail below.
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