Night time / Daytime grow temperature ?

Renfro

Well-Known Member
With supplemental CO2 at 1000 - 1200 PPM I like 84-87 canopy with LED and 80 - 83 canopy under HPS. During ripening I decrease temps, RH%, CO2, light intensity and feed PPM.
 

diggs99

Well-Known Member
i try to keep my temps within 12-14f swings.

Led rooms run hotter...mid 80s+...lights out usually around 71-72f
Co2 rooms run hotter too as renfro said.

I ran my hps room without co2 at 78/79f lights on and 68/69 lights off.
 
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