Quote:
Originally Posted by nanomano
I would still do actinics, thats what grows your coral
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WRONG! there is no Par value to Actinic (420nm-450nm) so it does nothing but pop color.
To the OP
What bulb are you running? I used to run 2x 250w Phoenix 14k bulbs and didnt have any actinic. It still popped color and I got excellent growth!
You dont need to run actinic but if you wanted to I would go LED with Royal Blues.