hi i am new to this site so bare with, im doin my 2nd crop and am 3 weeks in and was wondering what sort ov hight the light (600wt) should be from the tops ov the plants? and since its big bud im growing ppl have told me to get a crop suport net is this realy a must? will the bud realy get that heavey?--repleys welcomed -thanks and cud use sum big bud photos if anyones growing it out there?:rasta: