blondlebanese
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can someone tell me how many lumens a hps 1000w light puts out?
1000w=lumens
- Thread starter blondlebanese
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AluminumMonster
Duke of Errl:)
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Most are 140,000.
T
The Hemp Goddess
Guest
I can sometimes find 150,000 lumen bulbs, but most run 140,000 to 145,000.
U
umbra
Guest
there is a little more to it than that...measurements are made 18" from the edge of the lamp and the value quoted are the initial starting output, but they drop to 80% within 10 operating hours and continue to drop off. Commercial growers often change bulbs with every grow because of how much the lamp changes over 2 or 3 months.
Hushpuppy
Dr MadBud
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NOT MY BULBS, mine last a long time. I have bulbs that are 5yo and they still work good. they make my plants grow like crazy. I have 3 plants under these bulbs that are 3wks old and already they are 36" tall. 
they only have 4 nodes though for some reason :doh:
they only have 4 nodes though for some reason :doh:
U
umbra
Guest
Lol
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