
Rain Water Harvesting
Big Web Warehouse Ltd
Unit A Harrier Park
Southgate Way
Orton Southgate
Peterborough
PE2 6YQ
01733 405100

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Most
Precious Resource | Water
facts | How to gain from rain
| Saving the World | Drought
protection | Reduce your water
use

Reduce your water use
Even if you install a rainwater harvesting system, this should not stop you trying to reduce your water use:
In the garden
- Use a drip or trickle system directed to specific plants rather than a
sprinkler : a sprinkler uses 1000 litres an hour
whereas a 100m length drip system uses on
average 55 litres an hour
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- Never water in the heat of the day: evaporation will reduce the moisture rapidly, and the plant may even be worse off
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- Put as much compost or mulch as possible round the base of plants to conserve moisture
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- When planting shrubs and fruit trees, put a 30 to 40 cms length of hosepipe into the ground next to stem so that when watered down hose, moisture reaches roots
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- For smaller plants and vegetables, dig in a small flower pot next to them which allows water in it to percolate slowly down to roots
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- Round any plant, shrub or young tree, build up a shallow circular ditch round stem, so that water will stay rather than flow away at once. This is particularly necessary on slopes
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- Gently break any hard soil surface round a plant (taking great care not to disturb roots), so that water can get in
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- Cut lawns less frequently and with a higher blade in dry conditions. And remember that however brown it looks, it will recover. Resist the temptation to use a sprinkler!
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In the house
- Have a shower instead of a bath, and use 33 litres (for a 5 min shower) rather than 100
litres. Watch out for power showers though: nearly 100 litres for 5
mins!)
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- WCs. Old WCs use @ 9 litres per flush. Put plastic bottle in cistern to reduce flush volume. New dual flush WCs use 4 or 2.5 litres per flush
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- Don't leave taps running: 5 to 10 litres a minute can vanish in a minute while you wash your teeth or rinse fruit.
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- Replace worn washers: a dripping tap can waste 4 litres a day.
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- Think before you turn on the hot tap: a litre or 2 can flow away while you're waiting for the hotwater to come through.
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- And a hint that's a pleasure to follow! Fully load a dishwasher rather than wash by hand.
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