How fast can a cannabis grow under a 400 watt MH bulb

JonnyAppleSeed420

New Member
Really? Why? Light is only one factor in growth rate and does not speed anything up. A plants genetics is what determines length of time and growth rates. Less light means less bud and a weaker plant more susceptible to disease or problems. You grow under a cfl, it takes 16 week and you produce an ounce or two, under a 400 its still 16 weeks but you will produce 2,3, even 4 times the product. Timeline is dictated by the strain...understand? JAS
 
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