Less watts needed for veg than flower?

[DooberDanko]

Hey everybody,

I've got a rookie question for you guys, but I've got to share some details before I ask...

I'm planning a 4000 watt room. I've decided to aim for 1 big harvest (started from seed), and to forgo the hassle of setting up a perpetual harvest.

I'm looking to grow only 8 or 9 plants total, but to (obviously) grow them huge. Probably using ScrOG.

So my question is...

Are all 4000 watts needed for the vegetative cycle? Could I somehow veg out these huge plants, using say 2000 watts, then add the remaining 2000 for flower?

Thanks for reading.

 

[fanleaf]

4000W of what? CFL, LED, MH, Induction? If you are talkin hps/mh I hope you got the air conditioning units in order depending on the size and makeup of the room. Ventilation and ac will be a huge part of that grow.
Why would you use 4000w of anything on just 8-9 plants. Even growing absolute monsters 2000w hps would be plenty to cover them.

2x 1000w hps will cover 5 foot x 10 foot.
3x will cover 5 foot by 15 foot.
4x 5 foot x 20 feet? Lot of area there.

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