What is the best lumen for cfl's when your growing indoor

xave420

Well-Known Member
what is the best lumen for cfl's when your growing indoor?

i have only 1650 lumens but i heard if you get a 2700k and a 6400k would be good?
just asking and wanteed to make sure as i am about to get stronger cfl's
 
Lumen is the measurement of light only visiable to the human eye.

K or kelvin can be related to the colour spectrum of light suitable for growing.

6400k - vegging.
2700k - flowering.

Some builbs have a relative light intensity graph thats what you want to look at, where it peaks on the graph in the correct colour spectrum measured in either K or NM & the intensity of light at those peaks.
 
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