hey guys..ive always wondered..i have 2 RBT anemones..they are in a 72 bow with a 36" orbit dual 150watt 10k bulbs..and 2 54watt actinics..when i first got the RBTs they were fully extended..over 3months..they shrunk to about 4"..should i switch my lighting to 14k insteak of 10?? whats the best light setuip people use??