Lighting questions.

Currently running 4x4 with a 400W metal halid. The hood I have has a 600W HPS bulb sitting across from it. When I switch to the flowering process should I run both bulbs or stick with HPS? Also running both bulbs will it increase the possible bud outcome thanks.

If you can keep temperatures under control you could run both. Either way running both light should increase your yield according by watt... so figure 400/600 = .66... 66% additional wattage... Also having multiple light sources will allow better coverage... you should just get a 1000w hps with one of those big umbrella reflectors or make one yourself if you are handy like that.

run both... the extra light will be good

Thanks guys Exactly what I thought. I'll be running both if I can keep my temperatures under control.