Anemones should be ‘acclimated’ in the same way corals should be, which is to say that they shouldn’t be acclimated, just float then put in the tank. They take in and expel water through diffusion, so they are self acclimating. The sooner you can get them into flowing water so they can properly respirate, the better. Drip acclimating doesn’t help them acclimate to the new water and just prolongs the amount of time they can’t respirate. For corals, you should float, dip, and then put in the tank. Fish and inverts (and especially clams) should be drip acclimated.