Apr 19, 2012 #1 Fishtankman Aquarium Advice Apprentice Joined Oct 9, 2011 Messages 43 WHy does the sealant pit when I have my uv light off for a week and don't use the light?????
Apr 19, 2012 #2 OP OP Fishtankman Aquarium Advice Apprentice Joined Oct 9, 2011 Messages 43 Does anybody know what I'm talking about????