halide upgrade-need help!

[bv_reefer]

i'm getting an XM-400 watt 14k bulb, 12'' off the surface minimum, start a photoperiod of 3-4 hours, gradually work it up to 6-8 hours-

heres all my corals and inverts, think any of them will take the lighting change really negatively?

-xenia colony, ricordea, 2xfinger leather colonys, monti cap,cup coral(lps one), kenya tree, long tentacle plate coral, condy anemone, green star polyps-