here is a video to show you how that system works (not WSTI but worldwater/solar) https://www.youtube.com/watch?v=azEgElolO9I Water purification Basically you stick a pipe in a water source, pop up the array and fill your glass. One of their systems does something like 30,000 gallons a day https://www.worldwatersolar.com/solar-products/mobile-maxpure/ products Just in the news. Worst Water Crisis in the history of India https://www.reuters.com/article/us-india-water-crisis/indias-worst-water-crisis-in-history-leaves-millions-thirsty-idUSKBN1JV01G Worst Water Crisis In History - India