3100k or 4200k? For flower?

Stonedchuy

Active Member
So I have a 630w Cmh. I recently flipped to flower. I had two 4200k bulbs on the ballast when I flipped to flower I couldn’t afford to buy the 3100k bulbs so I switched one with an old Phillips 3100k that came with the used lighting system so Idk how good it still lights.
Anyway I ended up buying a new 3100 K bulb and was wondering if I should have one old 3100k bulb with the new one or the new 3100k bulb with the new 4200k bulb I had bought??.
 
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