refugium light, 65 watt pc?

BigJim

New member
I recently added a refugium to my sump and am growing chaeto. For the light I have been using a coralife 65 watt dual 10,000k/actinic pc light that I had sitting around. I need to get a new bulb. What would be the best bulb for growing chaeto? Get a new 50/50 bulb, switch to a 6700k bulb, or a 10,000k bulb?

Is this too much light?
 

Fish_wiz2

Mangroves are kool.
i think it is just right but shoot for 6,7K to stimulate the sun which it is accustomed to in the wild
 
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