I run a 6 bulb tek elite with 4 blue+, 1 coral+ and 1 purple plus with a reefbrite strip. I would say the fixture is 10-12" above the water. Schedule is reefbrite from 230-1130, then 2 blue plus from 3-11, the other for come on from 4-10 so 6 hours of all bulbs. Tank is 36x18x21
I run an Ati sunpower 8 bulb. 9 inches above water. 5 blue plus 2 coral plus 1 Fiji purple. 48x24x24 120 gallon. 2 bulbs on from 11 am to 9 pm. Daylights on 1 pm till 6 pm.
I'm running an ATI Sunpower 6x39w, bulbs are 3x blue+, purple+, coral+, and true actinic. 1 blue+ and actinic are on 12pm-9pm and the rest of the bulbs are on 2pm-7pm. The fixture is 8"-9" AWL. and the tank is 36"x18"x21". Mostly sps and everything is colored up and growing nicely.