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View Full Version : Do I really need DI?


smatter
01/05/2015, 03:35 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.

Thanks,

Jason Temby