Greywater Systems


The domestic or household wastewater from the laundry and bathroom is called 'greywater'.  Toilet water (sewerage) is termed 'blackwater' and although kitchen water is technically greywater, it is treated as blackwater in a recycling context. 

Recycling household greywater for use on garden beds is an excellent way of saving water and saving money!  Unlike rainwater, which is seasonally available, greywater is available every time you shower or wash. The average house creates up to 83,000 litres of greywater per year.

There are components of greywater that may affect your garden.  As a general rule, it is best to take the following precautions when considering irrigating your garden with greywater:  
   * Avoid using w
ashing detergents with high phosphorous levels (many brands now have low or nil phosphorous, so choose one of these options).
   * Avoid using washing detergents with high salt content.  Many cheaper brands use salt as a filler. It does not add to the washing power of the powder. Select from concentrated powders, or, better still, use liquid detergents.
   *
Avoid fats (from soaps), bleaches and other disinfectants. 
For a comprehensive list of detergents and the levels of salt and phosphorus contained with each, please visit PDF: download 

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Diversion Irrigation Systems



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Greywater Accessories



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