View Full Version : Do I really need DI?

01/05/2015, 02:35 PM
I have a 5g pico reef on which I do weekly 100% water changes. I live in Madison, WI. I had one of your six stage RO/DI systems when I had a large tank but I was out of the hobby for a while and unfortunately sold it. I'm tired of buying water.


Jason Temby