remember when acclimating inverts and cleaner crew, they typically are the most sensitive so a drip a second is the best way to acclimate double the amount of water you are acclimating them in over an extended period of time, it will ensure a healthier transition. Your first corals should be hearty corals, when purchasing askthe store guys like jim and Deep Blue to point out the mushrooms and other hearty corals that can withstand break in periods good luck