i used joes juice and all 5 that where visible have been gone for 4 1/2 hours! i hope they're dead and not just retracted into the rock! anyway in one area there was a few aptasia close together and now there is a pile of the "juice" on the rock/sand. i was planning on leaving it there incase the aptasia had just went into the rock or should i vacuum it out of there? thanks for the advice, jason