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Rainwater harvesting and the idea of rain water collection has been used for many hundreds of years and especially in the hotter countries where every little drop of rain counts. It's a process that in modern times in the UK we tend to forget about, mainly because of the luxury of having a main water supply on tap that we all take for granted. However little do we all realise that by having a rain water harvesting system in place we can save ourselves money and if your using it for your garden or agricultural purposes that it is better to use than tap water. Rain water does not contain half the amount of chemicals like tap water which would be better for plants and vegetable production.
Many people ask is it safe to use rainwater? Yes it is safe and it does depend on how you use it and how the rain water is filtered. Rain water can contain germs, mosses, faces and other harmful things to us, so it is not safe to drink unless it has been through extreme filteration such as UV filteration. However rainwater can be used for the simple things that we do day to day such as watering your garden, washing your car or domestic use such as washing or flushing the toilet. Turning rain water into drinking water is possible with extreme UV filteration and then when storing rain water the storage tank not only needs to be strong and tough to take the weight, but if the intention of using it for drinking water storage you will need to have a potable water tank. The difference between a potable and non potable water tank is the potable is made from polymers that are tested safe for drinking water storage.
Its about making a natural resource such as rain water work effectively and efficiency for you. Having a rainwater harvesting system will reduce your carbon footprint, as you will not waste so much water down the drain. Instead your water will be used to work for you and it's free.
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