Recently flricordia had a post about what he dips with. I think it was a full strength Kent Iodine solution. I tried it out, but was a bit sketchy on the full strength, so I have been using a 1/3 to 1/2 strength solution with the tank water I remove. Dip all corals for minute or so, then I dip them into a freshwater bowl and shake a bit to get anything off. Works like a freakin' charm, I tell you! AMAZING results! Zoas open in less than 15 minutes, leather are less than 30, and LPS are all about the same as leathers. Haven't had any softy take any longer than 30 minutes to open pretty fully.