upgrading to vho from no any suggestions?

[boostedsi]

hi i have a 55 gal setup for over 1.5 years running on 4 n/o ft bulbs 2 10k,2 actinic, i have upgraded my light to 4 vho setup which i run the same 2 10 k 2 03, do u know if i need to transition my corals to the upgraded like going from 3 watts p/gal to 9/per gal. i have my current setup i have included a pic i have many corals, ie frogspawn, dount,green star polps,snake polps,galaxia,and others, i am building a canopy and will run at least 2 cooling fans and have the bulbs about 6-8 inch off the water surface. what will i have to do if anything to not sunburn the coral so to speak, any suggetions? thanks alot