Can I Design My Own Home Water Recycling Plant?

I was asked this question today. It seems logical, right? Take our drain water, process it and reuse it Wouldn’t it be great to have such a system? Can you imagine how much money one could make selling such a system? Can you imagine how much energy and water savings such as system could provide? How about you? Would you like to have such a water system? Well, hell, let’s…