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The wash your MTB and save water challenge


Mamil

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I usually use a 1L pressure spreay bottle (the one that you pump up) that usually gets all dust and mud off nicely. Max amount of water I've used is 2L.

 

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You can get them from Pick n Pay for under R50 or from any gardening place.

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I have installed a greywater system during the holidays. It collects from 5 bathrooms and the washing machine. (We have 2 student suites that we rent out, incase you wondered about all those bathrooms) Water gets used in the garden. I have about 500m2 of lawn that is lush and green. I am saving up for a rainwater system. The system I have in mind will collect all the rain water, filter it and will be used in our house. The municipal water will be used to top up the rain water in summertime (you switch the water supply from a control panel which they install at a convenient location for you). With around 10 000 lt. of storage I should have virtually zero water use from COCT, and on top of this the rain water will end up in the garden as greywater. The cost is around R60K (ballpark from my greywater system installer). The pay-off would be less than 36 months, which is a great ROI.

 

That's also pretty much exactly my plan and forecasted cost. My greywater system is being installed tomorrow, albeit only linked to a single bathroom (we're just 2 people and we use the one bathroom 95% of the time).

 

Funny enough, even though water can be stored more easily than electricity, one of the largest challenges for a city's infrastructure as a whole is timing of supply and demand. We need to store more when we can, for times when there's less available.

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