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Hello, does anyone know if there is a significant difference between the two as far as what the plant likes best? Let's say I put one of each over my plant, will it lean towards the 6500K? If 6500K made it grow better/faster, how much better would that be? Thank you.
The 6500 is a good veg bulb and the 5500 is somehwhat in between a veg and flower bulb. Plants like full spectrum so if you have the 5500 then keep it and it will do fine. I have both right now above my seedlings and they are doing great. No leaning.
if you can, use the whiter ones in veg and the warm (yellowy) ones in flowering