Quote Originally Posted by spectrum balanced
I havent read about/dont know anything about cool tubes in HPS'. Are there HPS bulbs that run cooler than regular hps bulbs that are catagorized in a certain way, or is there some kind of cool tube that you can screw into an hps ballast?
ROFLMA

Greenfire Product: COOL TUBES & LIGHTING SYSTEMS

When you see what the cool tube is, you'll see why I was laughing.

PeaCe :thumbsup: