Best 4 bulb t5 combo for coral color

poweraid

New member
I have a Marineland high output t5 fixture on my 75 gal mixed reef. Currently have 2 zoo med ultra sun 6,500k bulbs with one coral sun actinic and one ocean sun 10,000k. Coral growth is good but color is not so good. Any suggestions to boost the color without upgrading to a new fixture.
 
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