how many lumens needed to grow weed

  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 ...