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- - xm bulbs (http://www.canreef.com/vbulletin/showthread.php?t=47632)

JOEL	12-20-2008 09:13 PM

xm bulbs

It's time for me to change my bulbs and just wondering what everyone thinks
of the xm 250 20000ks. I have the 10000ks right now.

fkshiu

12-21-2008 12:51 AM

You'll get a lot less PAR with the 20Ks, but it'll be less yellow.

corpusse

12-21-2008 01:25 AM

I like the 20k a lot. Use one over my frag tank with no supplemental light.

michika

12-21-2008 05:14 PM

They are quite blue. I run 15Ks and like them a lot. I don't have to supplement them, but I do, just so they don't have to be on for 12 hours a day.

JOEL	12-21-2008 10:04 PM

Quote:

Originally Posted by michika (Post 370603)

They are quite blue. I run 15Ks and like them a lot. I don't have to supplement them, but I do, just so they don't have to be on for 12 hours a day.

Are you getting good sps growth

michika

12-21-2008 10:07 PM

I was. I suffered a crash, and am once again returning to SPS. I am again seeing good growth, with the 15K bulbs.

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