Air cooled tubes inefficient?

Discussion in 'Growing Marijuana Indoors' started by hoopbull, Jun 14, 2006.

  1. I am looking to buy an air cooled HPS light. I was looking to purchase an air tube, but according to Cervantes, they are extremely inefficient, and create a bunch of hot spots. So then I got thinking, what if I placed a Gavita bulb inside of the air tube. For those of you who don't know what a gavita bulb is, search for them online, they are crazy. In short, they have the reflector built inside the bulb, reducing the distance the light has to travel before it gets reflected, increasing efficiency to a stated “95%”. So my question is, will using this bulb inside the air tube reduce the inefficiency of the tube, or is it the concave shape of the glass that refracts the light which makes tubes inefficient?
     
  2. I do not understand this 'Cervantes'.
    I have seen some KICKASS grows on this forum using air cooled tubes like you describe.
     
  3. I wouldnt think it would matter, just use a normal damn bulb and keep that light close :)
     
  4. thanks for the responses. How many cfms do yall think i need for the fan?
     

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