So I had to look up the desalination directions a few times as I got diffrent anwsers but once I found the right one you have to make sure you get the right one and then when your done make sure to run a hole lot of water threw it but definitely a little bit of a head acke looking for instructions wish the company sent a direction paper with it for us to keep in hand but I love my machine  like no other and wouldn't give it up for the world lol