Temp Question/Theory

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UnderTheRadar

Active Member
So i had some plants vegging in a Rubbermaid under CFL (about 65W). Started to get some tip curling/browning once they got to 12inch or so. I've since switched to a larger area. But my question is. Do larger plants produce more heat because they take up more mass and area in a smaller container? As apposed to smaller plants that leave more area in the same grow box? If this is the case than that is why i am seeing tip curl in a smaller box with larger plants vs. larger box with smaller plants.....just wondering. (if that made sence, im sorta buzzed) :)
 
lampshade

lampshade

Well-Known Member
UnderTheRadar said:
So i had some plants vegging in a Rubbermaid under CFL (about 65W). Started to get some tip curling/browning once they got to 12inch or so. I've since switched to a larger area. But my question is. Do larger plants produce more heat because they take up more mass and area in a smaller container? As apposed to smaller plants that leave more area in the same grow box? If this is the case than that is why i am seeing tip curl in a smaller box with larger plants vs. larger box with smaller plants.....just wondering. (if that made sence, im sorta buzzed) :)
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Plants dont really produce much heat. It mostly comes from the light source. But the bigger the plant the more they transpire, so the humidity will rise. The larger ones probably have leaf curl b/c heat rises, so its hottest at the top of the box, so i suspect the taller the plant the more heat it is exposed to in a miniature cab like that. Lamp
 
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