My new MH bulbs look yellow??

[dzuckerm]

I just replaced my MH bulbs yesterday. I have (3) 250watt 10k coralvue bulbs. I put them in, but the tank looks very yellow now. Is this just part of the break-in period for the bulbs? Or the bulbs crappy? They're Coralvue bulbs.

 

[Chiefmcfuz]

There is a burn in period on the bulbs. What was the kelvin rating on the previous bulbs? Were they 10k as well or were they 14 or 20k?

If you went down in the K rating the tank will look "yellower" No matter what.

 

[Deanos]

There is a break-in period for metal halide bulbs. The color you see once broken in will also be affected by the ballast you're using.

Here's an article showing how different bulbs appear including Coralvue 10ks: Testing 250-watt SE MH Lamps & Ballasts

 

[dzuckerm]

Thanks for the prompt replies guys. I have three 250watt ballasts and was running 10k bulbs before. SO i just put in new 10k bulbs...i did notice these bulbs (theyre standard moguls) were a bit longer than that previous ones. I dont think that should matter though. I don't know the kelvin ratings or anything, I dont have a meter to measure it. But the previous bulbs were about 18months old, so i figured it was time for a change.

 

[Chiefmcfuz]

10k is 10 kelvin 14k = 14 kelvin etc.......

 

[TimberTDI]

IME they coralvue are "piss" yellow. I've used their 250w SE 12k and thought they were too yellow.

What were you using before?

Steven

 

[Wes]

10k is 10 kelvin 14k = 14 kelvin etc.......

chief the little "k" means thousand...the big "K" means kelvin

10k is 10,000 Kelvin
14k is 14,000 Kelvin

etc

sorry for nitpicking

 

[Chiefmcfuz]

Ahh you know what I meant :lol2:

 

[DevIouS]

Ahh you know what I meant :lol2:

 

[Chiefmcfuz]

Tool!

 

[Bob 1000]

I thought 10k will always give you the well lit bar bathroom toilet tank look...That's why I switched to 12k's...

 

[Wes]

my 10ks are white :shhh:

 

[reefnewbe]

:lol2:

 

[Bob 1000]

my 10ks are white :shhh:

Do you use actinics???