how many lumens are needed to grow weed


LIGHT METER
  When it comes to CFL lighting, “the more, the merrier!” The sun puts out roughly 100,000 lumens per sq. ft on a sunny day. Plants grown outdoors are not harmed by the sheer amount of lumens that the sun gives off, are they?! Plants can and do suffer stress […]

How Many Lumens are Needed to Grow Weed, Using CFL ...