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 Falcor
enthusiastic
Registered: 07/22/13
Posts: 34
Last seen: 9 years, 5 months
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 fluorescent energy saver daylight bulbs; 2800 lumens 
#734920 - 06/06/14 02:45 AM (10 years, 6 months ago) |
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Got a coupe 40 watt, 2800 lumens energy saver bulbs and a 2150 lumens one all daylight light, not soft white. How many lumens do you need per plant? is there a standard of somekind?
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 bEelzeBosS
Are my eyes red?
Registered: 11/15/13
Posts: 706
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Re: fluorescent energy saver daylight bulbs; 2800 lumens [Re: Falcor]
#735016 - 06/06/14 03:57 PM (10 years, 6 months ago) |
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If you're using CFL's you need roughly 7000-7500 lumens/sq ft or they're going to stretch like crazy.
You really need to switch to HPS for flowering, 70-80 watts per sq ft is what is usually recommended.
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Falcor
enthusiastic
Registered: 07/22/13
Posts: 34
Last seen: 9 years, 5 months
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Re: fluorescent energy saver daylight bulbs; 2800 lumens [Re: bEelzeBosS]
#735136 - 06/06/14 10:03 PM (10 years, 6 months ago) |
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Guess i need to do a little more research. What's the difference?
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Midgetpawn
Registered: 06/21/13
Posts: 577
Last seen: 4 years, 5 months
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Re: fluorescent energy saver daylight bulbs; 2800 lumens [Re: Falcor]
#735160 - 06/07/14 02:06 AM (10 years, 6 months ago) |
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I dont know... I have just over 3k(usually around 2k) lumens for veg on 5-6 plants at a time In a 12 x 18"ish space and I've been worried my plants aren't stretching enough. After about a month they are only 2 1/2 - 3 inches high. I do keep the lights very close though and with more lumens you could cover more space.
The point is that I think you can get away with what you got, with minimum stretch. at least for veg.
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