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Does these work with digital ballasts?

Eey, somebody knows a onlineshop that send these bulbs to europe??

I'm sorry, my english aren't that good u know. :) But ok, then i buy 1 bulb. My closet is kinda small, you saw the measures a few posts up, and the height of my closet is 43 inches. Do you think i'll need a cooltube or do you think i can skip that? /Psilocobe

Yes inches. Okay, so that wouldn't work out? I know its overkill but, will it work or not? Use 1 400w in the veg & put another one in there when bloom starts. :)

Ok. :) Im wondering about 2 CMH 400w bulbs, my closet measures is 21 x 19 Do you think that could work?

Sounds very interesting! Any1 knows the difference between a horizontal and a vertical bulb? I can't really imagine what that should be. What happens if i use a vertical bulb horizontal? :peace:

Ive found another cheaper site: 400 Watt ED-18 Metal Halide HPS-Retro White Is it neccesairy to use a cooltube for these lamps? I mean if the guy in the first post could hold the lamp with his hands so..

Where can i buy these bulbs?? Ive googled but all I can find is forums that discuss the bulb. :peace:

So you mean that a Lowryder can bring a better yield than a Chronic or Arjan's Ultra Haze for example?

It was through that video i got here. :)