yellowish halides

[cja_2000]

i have a3x 150 w 20,000k metal halides and the are very yellowish they are a nice white with a blue tinsh when warming up but once warm they are yellow any ideas?

the bulbs are brand new

 

[Don Berry]

What brand are they? I've never seen a 20K with a yellow cast to them.

 

[cja_2000]

yeah they should look a bright blue am i correct