New Bulbs

I just got in my new reeflux bulbs, 175w 12k, im firing them up right now for two hours so the flux doesnt cover the bottom of the bulb. Is it okay for me to put them on the tank tonight so they'll fire up tomorrow over the tank?
 
be careful with new bulbs though, either shorten their time or raise them up to prevent ill effects on your corals from the enhanced strength
 
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