mh and hps or hps and hps?

Hey guys,

know this is a bit of an old thread but im wondering if any of yis have a bit of advice. currently i'm running a 400w dual spec (vegged with MH), into about week 2 of flower, all within a 1.2mx1.2m.2m grow tent. have a 600w on the way with both dual spec and red spec bulbs so hopefully i should have them soon! absolutely no heat issues as its winter. in ireland! so gonna see what the heat is like with the 600 and if its easily controllable, which im sure it will be, i'l want to hook up the 400 also and have them both running at the same time for super duper nugs. now, from what ive been reading, plants do slightly better with a bit of blue spec during flower, more potent etc etc. i plan to give em some blue, but what is the best way to set up?

400w MH + 600w red spec hps
400w MH + 600w dual spec (too much blue?)
400w dual spec + 600w red spec hps (or is this not enough blue?)

or what i suspect what may be best but dont know

400w dual + 600w dual?

thanx in advance
 
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