Negative Temp Diff good or bad?

Negative temp diff good or bad???

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Ford Racing

Ford Racing

Well-Known Member
I'm running a 10-15 degree negative temp diff in my grow tent. I'm at 3 weeks flowering. Is this good or bad? 77-80 lights on 80-90 lights off
 
Alienwidow

Alienwidow

Well-Known Member
racerboy71 said:
this.. i've read that you want a good 10 degrees or so difference between light on and lights off for best results from some experienced growers that i respect enough to repeat their advice..
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Hes at 80-90 with lights off.... I dont get it, well maybe i do, are you running lights during the night? And then day time temps outdoor are really hot making the grow room hot also?If so you need an air conditioner. Temos in the high 80s arent great. It usually results in large internodal spacing and generally stretchy plants. It can work if youre running co2 but for most people it just hurts a grow. Id say see if you can move lots of air and get an a/c going.
 
racerboy71

racerboy71

bud bootlegger
Alienwidow said:
Hes at 80-90 with lights off.... I dont get it, well maybe i do, are you running lights during the night? And then day time temps outdoor are really hot making the grow room hot also?If so you need an air conditioner. Temos in the high 80s arent great. It usually results in large internodal spacing and generally stretchy plants. It can work if youre running co2 but for most people it just hurts a grow. Id say see if you can move lots of air and get an a/c going.
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oh crap, my bad, i read it backwards, you're right alein.. :(
 
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