LED Replacement for T5 - Help with DIY

I guess the real factor that has me worried here is the head space. How wide a pattern will the cobs light at a distance of only 4-6" from the canopy?
Seems like more smaller cobs spread out or smaller diodes would be needed at close range?
 
OneHitDone said:
I guess the real factor that has me worried here is the head space. How wide a pattern will the cobs light at a distance of only 4-6" from the canopy?
Seems like more smaller cobs spread out or smaller diodes would be needed at close range?
Click to expand...
4-6 is pretty damn close. Heat and spread might cause issues. Maybe the 3w LEDs you mentioned from Steve's would work better
 
DoctorDelta9 said:
4-6 is pretty damn close. Heat and spread might cause issues. Maybe the 3w LEDs you mentioned from Steve's would work better
Click to expand...
This is just for a germination/young growth area. I want something that will prevent stretch in lettuce seedlings as well as special herbs. Basically something that will give the same characteristics as a T8 6500k fluorescent but more efficiently
 
OneHitDone said:
This is just for a germination/young growth area. I want something that will prevent stretch in lettuce seedlings as well as special herbs. Basically something that will give the same characteristics as a T8 6500k fluorescent but more efficiently
Click to expand...

Do you live near a home depot?

If so Phillips t8 led bulbs @133.3lm/w 4000k should be on your short list imo......Cheap/easy


Diy would be the most efficient option obviously.
 
PSUAGRO. said:
Do you live near a home depot?

If so Phillips t8 led bulbs @133.3lm/w 4000k should be on your short list imo......Cheap/easy


Diy would be the most efficient option obviously.
Click to expand...
Has anyone successfully grown plants under the T8 replacement led's?
 
PSUAGRO. said:
Do you live near a home depot?

If so Phillips t8 led bulbs @133.3lm/w 4000k should be on your short list imo......Cheap/easy


Diy would be the most efficient option obviously.
Click to expand...

Unless you run them very soft or dim them drastically, I believe that high powered cobs will burn you babies that close. I could be wrong but I wouldn't do it. If its a light for seedlings I think the led t8 will work better and be much cheaper for yoy
 
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