Quote:
Originally Posted by Tiny Tim
FourOaks. I have and run LED's and HPS. HPS runs HOT. Nothing like a LED or Fluorescent fixture. I need to run my exhaust fan constantly. They do penetrate a bit deeper into your canopy. Spread or coverage is about the same with my MarsII 400 watt, 190 actual watt LED and my magnetic ballast 250 watt HPS.
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Question. What happens if you dont run an exhaust fan? Will it damage the bulb itself?
My use would probably be different then most folks. Im thinking hang the lights from the Green House Purlins. So, they are more or less out in the open. Not enclosed in a tent. I would think that I could benefit from the heat, as it would be captured inside the greenhouse.
These would only be during gray cloudy days when its cooler anyways, and during the dark days of winter, when its cooler and the days are much, much shorter.