Ok so the first book I ever read was Cannabis Grow Bible by i forget who which HIGHLY recommended HPS over halide saying halide were becoming outdated, but now i am reading Indoor Marijuana Horticulture, the Indoor Bible by Jorge Cervantes, and he's saying that Metal Halide produce 20% more Par Watts, which ius a measurement of the light energy plants use, then HPS, even though HPS puts out more lumens

is htis true?? who do i believe??
firstTimeGrow Reviewed by firstTimeGrow on . halide 20% more par watts hten HPS?? Ok so the first book I ever read was Cannabis Grow Bible by i forget who which HIGHLY recommended HPS over halide saying halide were becoming outdated, but now i am reading Indoor Marijuana Horticulture, the Indoor Bible by Jorge Cervantes, and he's saying that Metal Halide produce 20% more Par Watts, which ius a measurement of the light energy plants use, then HPS, even though HPS puts out more lumens is htis true?? who do i believe?? :confused::confused::confused: Rating: 5