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- #241
Steve McStoferson
New Member
Re: CriMson's HID Grow- Revenge of the Kittens
A solution to that if you don't want to have glass between your lights and plants, is get the aircooled reflector, and run it without the glass, but with the fans and ducting running.. with a 600W lamp, this would pretty much be what I'm doing but on a fancier, more efficient scale. There would be no glass to block light, and the air movement through the reflector would take a good amount of heat with it (not all of it, but a decent amount). My light doesn't really get hot when the MH is in there, but the HPS makes it pretty warm. If i don't have a fan on it, the reflector gets hot to the touch after an hour of use. With the fan on it, the reflector is just warm, and you can keep your hand 4" away from the bulb without any discomfort.
Just some things to consider..
I wanted to go with an air cooled hood at first, but decided against it because I wanted to utilize the UV that the MH puts out, and also because it's cheaper to not get an air cooled hood. Down the road I might end up getting one, but in the near future it isn't really practical for my needs.
the actual light that you lose is very minimal as long as you keep the glass clean, it would be less than 10%. It does however filter out the UV rays that MH bulbs emit, which is really only useful if you're flowering with it, as UV is known to increase resin production.Thanks for that info... The cool hoods may be an answer to the ceiling heights.. But one does lose alot of light ,What is it like 25 to 30 percent because of the glass, I forget something like that maybe less.. but using 600 maybe thats ok, what I lose won`t be a plm....
Thanks again....
A solution to that if you don't want to have glass between your lights and plants, is get the aircooled reflector, and run it without the glass, but with the fans and ducting running.. with a 600W lamp, this would pretty much be what I'm doing but on a fancier, more efficient scale. There would be no glass to block light, and the air movement through the reflector would take a good amount of heat with it (not all of it, but a decent amount). My light doesn't really get hot when the MH is in there, but the HPS makes it pretty warm. If i don't have a fan on it, the reflector gets hot to the touch after an hour of use. With the fan on it, the reflector is just warm, and you can keep your hand 4" away from the bulb without any discomfort.
Just some things to consider..
I wanted to go with an air cooled hood at first, but decided against it because I wanted to utilize the UV that the MH puts out, and also because it's cheaper to not get an air cooled hood. Down the road I might end up getting one, but in the near future it isn't really practical for my needs.