hps bulb help! 400w

bong hoger

Well-Known Member

Jan 18, 2010

• #1

Hi I GOT A CUPLE 400W HPS LIGHTS. THE BULB IS RONDICH AND GIVES A WHITE/BLUE LIGHT.CAN I USE IT TO GROW? OR SHOULD I BUY THE YELLOW LIGHT BULB?

 

FileError404

Active Member

Jan 18, 2010

• #2

Sounds like a MH (Metal Halide) Bulb. Will work fine if it is.

 

bong hoger

Well-Known Member

Jan 19, 2010

• #3

well i am 100persent sure its a hps ballest.

 

CaNNaBiZ CaNucK

Well-Known Member

Jan 19, 2010

• #4

Your ballast may be HPS but a lamp with a white/blue spectrum sounds like a cool MH to me. It will definitely work though.