Sep 17, 2015 #1 rayn Bluefin Believer View Badges Excellence Award Showcase Editor Reef Squad Emeritus My Aquarium Showcase Joined Mar 25, 2014 Messages 3,351 Reaction score 2,806 Location Illinois Rating - 0% 0 0 0 Wondering who has used the copper pierce to hook up their ro/di unit? Any issues with doing this?
