Originally Posted by kdpuffer
If its used to getting bright light for three hours you will need to acclimate it to more. Cut it back to the original timeframe then once the coral is back to normal start ramping it back up. I would add an hour every week till you get up to an 8 hour lighting period. If the coral reacts poorly to an increase bump it down and give it another week before you add the hour back.
What about the strength of the light.
In a 6 bulb t5 I went from
4 actinics, a pink and a blue/white
3 actinics, a Fiji purple and 2 blue/whites
Should I replace one of the blue/white with an actinic for a while being the Fiji has usable light.