sry been a while man, if you dnt have to worry about temps i would definitly run both st the same time for the full eight hrs
but if temps are going to be a problem i would run the mh 3 weeks into flowering hps untill the last two weeks and the switch back to mh for the last bit thats what i do u get the short growwth in nodes theat u want then the hps packs on the buds and the last bit of mh will increase resin production on the buds hopes it helps man
but if temps are going to be a problem i would run the mh 3 weeks into flowering hps untill the last two weeks and the switch back to mh for the last bit thats what i do u get the short growwth in nodes theat u want then the hps packs on the buds and the last bit of mh will increase resin production on the buds hopes it helps man