‘Grey to Green’ Grey Water System

• Greywater is the waste water from showers, baths, spas, hand basins, laundry tubs and washing machines. The ‘Grey To Green’ system harnesses that water storing it overnight and releasing it through a drip irrigation system through the garden.

• Greywater produced by four washes each week from a 7kg top-load washing machine is sufficient to irrigate the average suburban garden.

• Front load washing machines use between 40L-70L per wash. One wash per day will expel 280L-490L per week.

• Greywater is directed into the garden via sub-surface irrigation. This irrigation must be 100mm below ground level.

• Subsurface irrigation is the most efficient method of irrigation, using only 15%-25% of the water required when surface watering.

• Greywater must be used immediately or within 24 hours due to various bacteria.

• To maximise the benefits of greywater for gardening use low sodium (salt) and low phosphate laundry powder. Avoid detergents with sodium perborate, which is a bleaching agent.

Tightspot Tanks

Tel: 1300 885 547

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