eli5 Is there a reason the waste water like from showers can’t be filtered through pipes and used for toilet water?

Question

eli5 Is there a reason the waste water like from showers can’t be filtered through pipes and used for toilet water?

In: 797

Answer 1

One thing that you can do is recover the heat from the water in the shower with a device called a GFX (Greywater Film Exchanger)

See: https://gfxtechnology.com/index.html