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Xm15k

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szidls

Gaitor Wrestler
Joined
Nov 27, 2003
Messages
794
Location
Lynnwood
I picked up a 175 XM 15K last weekend for the 20 gal. I had a 20 k XM that needed to be changed. I decided to brighten it up a bit. Very white with a blue hue to the tank. I really notice the blue when walking into the room before actually looking directly at the tank. Hopeing for some better growth rates.
Scott
 

Elmo18

Clownfish
Joined
Aug 5, 2003
Messages
2,662
Location
Seattle
Scott, so would you say the 15k is definitely 'brighter' than the 20k, with just a slightly less hint of blue?

- Elmo
 

szidls

Gaitor Wrestler
Joined
Nov 27, 2003
Messages
794
Location
Lynnwood
Elmo,
The 15K is definately whiter and less blue than the 20K. Looks to be a good color though. To give ya a color indication, my personal taste would be about a 17K XM if that were available. I have a 175 14K hamilton on order. Will let ya know the color difference when it gets here.
Scott
 

mattseattle

Well-known member
Joined
Jul 15, 2003
Messages
2,694
Location
Seattle, WA
just buy them from a reputable dealer so in case they yellow that you can send them back.

mine yellowed after about 2.5 months of use. they went from a nice white/blue to a yellow almost like a 6.5k bulb. i was using the xm 250w 10k bulb though. i was driving it using a pfo standard ballast.
 
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