November 3


December 22




A Break Down of the

Savings you can enjoy

In your household!

Water saving advice: We will use a typical middle class family of 4, Dad, Mom and 2 kids in a 3 bedroom house on a 600m2 stand; we will treat the pool separately and presume no borehole or well point. This family will conservatively use 200litres per day each or 800l per day = 24 000l (KL) per month, excluding the garden. Research would indicate that 54% of the water usage would be in the house and 46% in the garden.The biggest savings will be had in the toilet(37% of household usage), bath/shower(32%) and then laundry (17%) and kitchen(14%).

Some savings ideas:

Toilets: Some modern toilet cisterns flush 9 litres with every use; older models can be as high as 13 litres, this amount of water is definitely not required to clear the toilet bowl every time. This is a large amount of clean water wastage. More modern cisterns flush 6 litres. If you don’t have a dual flush system try to only flush halfway for urine; some toilet cisterns can be retrofitted with dual-flush mechanisms. Dual flush toilets allow for quicker throughput and thus shorter queues.

Make sure your toilet doesn’t leak: pour some dark food colouring in the cistern and leave for a few hours; if the toilet bowl and or floor change colour you have a leak. A small drip can be as much as 25kl a year - or a whole months water. Consider turning the cistern tap off and only using shower and waste tap water.

Multi flush (interruptible flush): This is a simple system that lets you control the flush volume. As soon as you let go of the toilet handle, it will stop flushing. This can save you more than 50% of flushing volume. An existing toilet can be retrofitted with a multi-flush system. The cost ranges from R80 to R500.

An old piece of advice from Bulawayo: “If it’s yellow let it mellow; if it’s brown flush it down”; Spit your toothpaste into the toilet bowl, helps freshen and disinfect. Try placing a litre bottle of water or a brick in the cistern to use less water when flushing; flat bottles like the Old Brown sherry 1 litre bottle work well.

Urinals: Waterless urinals are available; these use no water, no ice, no chemicals and have no odour; very good for high traffic areas like schools, malls, offices and restaurants.

Showers: Low flow shower heads use 6 litres per minute whereas standard heads use between 10 and 20 litres per minute; keep in mind that at least half of this is hot water, so you save on electricity as well. Your shower experience will be no different. Keep a bucket handy when you turn the hot tap on; catch the cold water that comes out and use to flush the toilet or on your plants. Once the water is warm lather your hair, soap and sponge; then turn water off, wash, turn on and rinse off. Consider capturing some of your shower water with a bucket and using as above. The jury is out on the effectiveness of sharing a shower; possibly too much fiddling?

Baths: Best avoided if possible; an average bath will use 80 litres. Don’t run the water out; it can be used for: flushing toilets, in the garden, for washing cars. It may start to smell after the 2nd day; so use quickly. Even better share the bath.

Shaving: Few men appreciate a dry or cold shave. Catch the cold water that runs out of the hot tap in a bucket – re-use on plants or to flush the toilet. Shave in a small bowl and re-use that water elsewhere. Put the plug in the basin and don’t run the water continuously. Never shave whilst showering, this will waste water. Try boiling 500ml of water and use that to shave with; you will use less energy and water than running a tap.

Tap Aerators: Save up to 35% of the water coming out of your taps by fitting aerators; they typically reduce water flow from around 12 litres per minute to around 8 litres pm. Aerators also help reduce the noise and splashing from taps. If you buy an aerator for R 200 it will pay back in 11 months, if you estimate 3 uses a day for 2 minutes each and a water cost of around R25 per kl and usage between 10 and 20kl per month.

If you found this post interesting please share. If you have more or better tips please share with us. For more tips on water and energy saving please check our Facebook page “Green Star Technologies”. Should you be interested in any of these technologies please contact us on .

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