Which cmh bulb?

[Blazed227]

Ok so finally gettin around to ordering bulbs for my 630 an my 315, was thinking about using a 3k an 4k in the 630 not sure which would be best for the 315 tho, prolly the 3k since it's going in the tent that's currently in flower?

 

[Sammy]

3k flower. 4k veg. I run the 3100 Philips bulb absolutely love it so do the plants.

 

[Blazed227]

I was gonna run a 3k an a 4k in the 630, would that be ok you think? Or should I do just one kind?