hello i am on my firsg grow. My girls (hopefully girls) will be starting the flowering stage next week. I have a simple question. Im using hid lights. 1000w mh and soon to be hps. My question is do i switch the bulb to the hps as soon as i go to 12/12 or wait for them to show their sex then switch
Yep That's what I do...however I have used my hps right through veg and bud in the past....as the bulbs I use have enuf veg spectrum for veg growth as well as bud. I only change em now cause I have both on hand