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20,000k lights

#1 simon

Firefish

Group: Members
Posts: 185
Joined: 29-December 07

Posted 06 June 2008 - 11:38 PM

Does anyone run 20,000k lamps over their reef? If so how blue is their tank to say 10,000k halides?
Si.

Simon Daniels

#2 oops

Diatom

Group: New Members
Posts: 39
Joined: 21-February 08

Posted 07 June 2008 - 11:06 AM

Hi Simon

I am running XM20k lights at the moment. They did seem quite blue to start with after switching from 10k. I have just bought a narva blue tube as I have ordered some 6500k lamps and the 20k are nowhere near as blue as the narva tube.

#3 pete1234

Clown Fish

Group: Members
Posts: 209
Joined: 11-June 06

Posted 07 June 2008 - 11:59 AM

when i switched to 400w. I had 20k, then i went down to 12k but now back with 10k.
I think its a waste of wattage, and you loose the par which you want for the corals, if you like the blue, imo its better to add blue tube to run with the halide.