Is this light good for veg only

Renfro

Well-Known Member
He says 3000k is good for veg what you guys think?
3000k is more for flower (more red), a 4000k is more for veg (more blue), a 3500K is just right for both. Often a 3500k spectrum will have more red than the 4000k but without much loss of the blue.
 
3000k is more for flower (more red), a 4000k is more for veg (more blue), a 3500K is just right for both. Often a 3500k spectrum will have more red than the 4000k but without much loss of the blue.
Thank you .so 35k for flower and 4k for veg. How about k for seeds?
 
3000k is more for flower (more red), a 4000k is more for veg (more blue), a 3500K is just right for both. Often a 3500k spectrum will have more red than the 4000k but without much loss of the blue.
Sorry. He says 35k + 440 nm is good for veg. Does that sound right?
 

TreeFarmerCharlie

Well-Known Member
Sorry. He says 35k + 440 nm is good for veg. Does that sound right?
If he's saying 35k then I would question his knowledge of lighting. the "K" is for "Kelvin" so it should be 3500K. I get great veg growth under 3500K but I believe 4000K promotes bushier growth. For seedlings you can use just about anything in the same range...even CFL or T5s work great for seedlings.
 
If he's saying 35k then I would question his knowledge of lighting. the "K" is for "Kelvin" so it should be 3500K. I get great veg growth under 3500K but I believe 4000K promotes bushier growth. For seedlings you can use just about anything in the same range...even CFL or T5s work great for seedlings.
Right. I meant 3500k. I'll ask him if he has anything in 4000k then. Thanks man
 
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