That is not a lot of light for that tank. I know you probably don't want to hear it, but to keep anything that will color up decently in that tank you need to upgrade the lighting. On the off chance LPS actually liked the lighting level (waaaay up top) their color wouldn't be brought out as much.
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55gal,260 watt PC(2x65 actinic,2x65 10k daylight,8 lunar LED) 45#LR, 45#LS, 3 maxi-jet 900's on a natural wavemaker timer,phosban reactor, 5 gal fuge (built out of standard 10 gallon tank) with chaeto, grape, and feather caulerpa, sealife systems protein skimmer, wet/dry, 4 blue/green chromi, 1 skunk cleaner shrimp, 1 coral beauty,1 true perc, 5 mexican turbo snails, assorted dwarf blue leg hermits, astrea snails, and nerite snails | 
help on coral light.... 
