Answer:
You don't. I like to go with a darwinian approach to reefing. I maintain the best parameters I can and if it dies, it just wasn't tough enough. I don't want any wussy corals. lol
Summer is coming and I need a chiller. 1/3 hp will work i think, but I want a 1/2. Anyone have one laying around they want to sell? or know of any sweet deals? thanks