Jul 30, 2011 #21 Reef Breeders ReefBreeders.com View Badges Gold Sponsor Partner Sponsor 2023 Partner Sponsor 24 Joined Dec 21, 2010 Messages 4,532 Reaction score 763 Location North Kingstown, RI Rating - 0% 0 0 0 I had a fuge full of it, turn off the pumps and dump kalkwasser on it. That usually does the trick.
