Water is vital to life and is such a precious natural resource that it makes sense to collect every drop of rain and re-cycle grey water and back-washed pool water. In fact you can reduce your water bill by as much as 90% by harvesting rain water & grey water. To read more go to : - https://www.bebee.com/producer/@claire-cardwell/what-you-need-to-know-before-installing-a-rainwater-harvest-system