I have entertained the idea of wetlands. I honestly want something that will be inside the tank because the tank is buried. I'm thinking about using a sand filter, but i really think there is a better solution than that.
I am building a greywater harvesting system. I have all of it designed except one aspect. It is a 3 phase system. The first phase breaks down soap and detergents. The second phase filters the water. The third phase pumps water out of system. My question is what is the best way to break down soap...