Two months ago I made a post about using resevoirs in chlorine to kill germs in water, I called it the "Septic System" Note the V3 is meant for maps with infected polluted water geysers.  Scrool down to the bottom of the post to see a "simple septic system" design meant for disinfecting PW from bathrooms Since them I have updated it to run more smoothly and use less power Thanks to @suicide commando for giving me a tip about disabling reservoirs by opening horizontal doors undern