How long is to long

[cygmark]

Hey guys i just wanted everyones opinion on how i should run my lighting setup as in how long the lights should be on and such.

I have a 72" coralife fixture, 3-250 wattMH, and 4 36 power compacts(atinics)

What should my lighting schedual be.

I have 1 bubble tip anenome, and 3 turbo snails and 4 chromis,(starter crew)

The tank has been running for just over 2 weeks, i have started to get a layer of greenish brown slime on some of the rocks to.

Any help would be appericiated.

Thanks
Josh