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02-10-2005, 06:04 PM #1OPMember
250w HPS Distance
How far should my 250w HPS light be from the top of the plant without burning or damaging it? any help would be appreciated
madfreek Reviewed by madfreek on . 250w HPS Distance How far should my 250w HPS light be from the top of the plant without burning or damaging it? any help would be appreciated Rating: 5
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02-10-2005, 08:08 PM #2Senior Member
250w HPS Distance
Hello,
madfreek - The distance of any light can be determined by the following method.
Place your hand two feet under the light and start working your way closer to the bulb. You will get to a point where the temp will go from comfortable on your hand to hot.
Keep your hand in the comfortable area (as close to the light as your hand can be while still feeling comfortable, not hot) under the light for one minute as long as your hand still feels slightly warm and not hot then that is the distance you have to keep.
This distance can be shortened with the addition of fans blowing on the bulbs or air cooled reflectors, etc.
Hope this helps
Peace
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02-10-2005, 10:26 PM #3OPMember
250w HPS Distance
Thanks for the reply, helps a lot.
Cheers
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