Weekend Update:  RO Unit and DOS Units installed! DOS1 - Auto Water Change.   Old salt water (black) goes to laundry room.   New salt water (orange) from Salt mixing station tank DOS2 - Auto Top Off.  Top off RO water (blue) from RO mixing station tank.   Also setup 2nd head to dose Aminos.  (Do you like the (new) hot sauce bottle!)   Overall setup:     DOS Setup:   RO Setup   Incoming TDS = 13(yesterday) / 14 (today) -- Outg