im about to buy some new blubs im using 3. 420 54w actinic. 2. 18000k 54w. and one 6500k 54w. im thanking about doing a way with 1 18000k and the 6500k and adding 2 10000k or 2 12000k . What would be better the 10000k or the 12000k? Couse i thank i have lost color in my coral with the 6500k and the 18000ks. can some one please help if they have any idea what would look better and what type would be the best to use thanks