I follow the thesis of UV's importance in potency, proven by my preference for outdoor pot properly cared for under optimal conditions to the same strain grown indoors under optimal conditions. High blue spectrum output, including some UV and near UV, relative to red spectrum output is necessary to achieve complete potential. My thoughts on environmental conditions impact on sexual disposition demonstrate the more favorable enviromental conditions, the more females nature wants in that location. Poor environmental conditions encourage male offspring in the hopes that their pollen will be carried off to the nice place where all the ladies are. I have found seedlings started under 7500K light along with my strict environmental control to increase female turnout ratio on a consistent basis. All this has me interested in testing out the new 1100 watt metal halide from Sunmaster as a potential replacement for my current setup. It provides greater PAR output than anything else you can plug in a 15 amp circuit along with significant blue spectrum and UV output to increase female turnout and THC levels.