michealprater
Aquarium Advice Addict
They claim you can use this product underwater. Anyone know what the story is with this, is it safe for fish and corals. heres the link
http://www.reeffanatic.com/cgi-bin/mas/category.cgi?item=MK_72000&type=store
http://www.reeffanatic.com/cgi-bin/mas/category.cgi?item=MK_72000&type=store