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05-20-2005, 03:06 AM#4
Senior Member
400mh how close?
You can get your HPS or MH bulbs very close to the plants IF you have a fan blowing the heat off the bulb.
I have a 250W MH bulb that I can hold in my hand because of an intense fan I have blowing the heat off the surface. The MH bulb is now 5 inches from the garden canopy.
The plants NEVER feel it and respond quite nicely to closer MH light.Any posts made by me are purely fictional in nature and by no means is anything I say to be taken seriously. I do not grow or condone the growing of anything not legal. Any and all pictures I post are pictures widley available on the internet and any discussions I am involved in are purely hypothetical or are commentary in nature and should not constitute advice or be considered advice to assist in activities that are deemed illegal.
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