Quote Originally Posted by WeeMaan View Post
Okay, thanks for explaining!
But then why do the water quality even matter? Why is 0,1us better than 500us?
Because when the water robs ions from your loop, you know what materials are contaminating it. If you don't start with pure, who knows what is in it. The last thing you want is calcium, salts, or organisms in your loop.

Garbage in -> Garbage out