Temperature Tolerance??

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tweegle

Member
My question is probably the opposite of what most people ask. My closet has 2 400w HPS in a homemade cooltube. The closet is about 3.5'x2.5'x7.5'. I vent my closet through my cooltube and it's working great, too great. My temps get down to 12c when light are out and about 15c when on. Is that too cold? Will this effect my yield in a negative way?
 
NLXSK1

NLXSK1

Well-Known Member
tweegle said:
My question is probably the opposite of what most people ask. My closet has 2 400w HPS in a homemade cooltube. The closet is about 3.5'x2.5'x7.5'. I vent my closet through my cooltube and it's working great, too great. My temps get down to 12c when light are out and about 15c when on. Is that too cold? Will this effect my yield in a negative way?
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I dont do celcius...

If your plants get to below 60 degrees farenheight it will start affecting the speed of their growth. The colder the greater the effect.
 
T

tweegle

Member
Forgot to add, these plants are vegged elsewhere in a cab at about 20C. This is strictly a flowering closet if that makes any difference
 
pocw94

pocw94

Well-Known Member
shouldnt go below 16C is what i read somewhere , my temps get like that too sometimes and it stunts growth like a mother fucker
 
sccerfrk26

sccerfrk26

Member
tweegle said:
Thanks guys, I'll have to try to figure out how to get it a bit hotter in there.
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You could punch a hole in your vent tubing to recirc a small amount of air back through the grow room. Or put a Y fitting in and throttle it with duct tape over the open side.
 
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