To 14k or to 20K

S

silveradobobby

Premium Member
My MH bulb change is coming up on my tank and was looking for color out of my corals which bulb is best for that 14k or 20k its 150w and I have all kinds coral soft, zoes, sps. lps and clams. Does anyone have pics of a 14k bulb and 20k bulb in their tank to show the difference? Also there is no supp lighting only DE MH on the tank.
 
@silveradobobby wrote:
My MH bulb change is coming up on my tank and was looking for color out of my corals which bulb is best for that 14k or 20k its 150w and I have all kinds coral soft said:
I would say 14K as 20K may kill your PAR numbers too much.
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I agree. With a single bulb and no supplementation, if you want any kind of growth at all, stick to 14,000K. The drop in PAR using a 20,000K will not work in your reef's favor.
 
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