please help me figure out why my cfls are so hot.

darkdestruction420

Well-Known Member
why are my cfl lights putting out so much heat? 2 are 26 watt general electric general purpose energy smart bulbs that puts out 1750 lumens a piece and i have a 30 watt sylvania soft white mini 100+ which puts out 2000 lumens. I thought flourescents were supposed to be very cool compared to hps/mh and it was safe to have your plants 1-2cm away from the light. also what are led lights? i also need someone to explain color spectrum to me
 

millertime1

Active Member
The ballast on the cfl is the part that emits the most heat. Turn on fan towards the base of the cfl and you will see the heat dissipate very quickly. About the distance, I would move them a little further away so they do not burn your plant. Usually an inch from your plant is the reccommended spacing. Also, a quick search of "light spectrum" should return many results; https://www.rollitup.org/general-marijuana-growing/723-things-know-about-lighting.html <-- that is a pretty good reference. good luck.
 
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