FEATURE
15
WATER SAVING
Some soaps, shampoos and laundry detergents may contain harsh chemicals like chlorine and ammonia which, over time, may damage plants, especially those
NOTE!
Grey water should never be stored for longer than 24 hours as it becomes anaerobic and full of pathogens.
in indigenous gardens. Elements like sodium can also build up in the soil over time. An alternative
permanent and less work,
is to replace all soap, beauty
consider a diversion system
and laundry products with eco-
which diverts grey water from
friendly, biodegradable products.
different sources in the home to
Grey water can benefit gardens
a tank and pump. The water is
nutritionally as it contains some
then used to irrigate the garden
phosphorous, nitrogen and other
via a hose and sprinkler. The
trace elements needed by plants.
system should include a valve or
Soil bacteria, found in the topsoil,
overflow pipe which allows the
will break down nutrients in the
user to divert grey water back
grey water and release them to
into the sewer system.
plants. Grey water should not
Even simple grey water
be used to irrigate vegetable
systems include a filter which
gardens or fruit trees.
removes solid particles like hair, bits of soap and lint from the
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DIFFERENT SYSTEMS
water before it is distributed to
Using grey water in the garden
the garden. More sophisticated
FEATURES
doesn’t have to be any more
filtration systems are required
hi-tech than a bucket. Place the
when water is needed for uses
bucket in the shower or scoop
other than garden irrigation or
a pail from the bath, then go
stored for longer periods. The
outside and water a few plants or
filtration system uses chemicals
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a tree or two. Provided you use
to kill harmful organisms and
the water immediately, pour it
remove fat and other substances
directly onto the soil surface and
before the water is utilised.
alternate which plants get the
Achieving completely pure water
grey water, it is safe.
from grey water within a home
If you want something more
environment is highly unlikely.
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tel: 0861RUWAGT, email: sales@ruwag.co.za, www.ruwag.co.za DIY & INDUSTRIAL TRADE NEWS NOVEMBER 2017