ideal temp when lights off

best temps when lights are off ? and wot effect would kow temps have on the ladies ??

Depends on your lights on temp. E.g if it's running at at 25 degrees C lights on then don't let it drop down past 19 to 20 lights off.

Good question. Mine get to about 60 with lights off and up to 79 when on but usually 75 or 73. They seem alright. So I don't have a good answer for you LOL!

20c off, 25c on. Keep it simple, if your plants are happy so should you be

I am not all that up on celcius temps. I am a yank and roll fahrenheit. You want at least a 10F(15 better)between lights on and lights off. Too high a temps lights off and the plant uses energy from the day operating the guards cells controlling the stoma and transpiration. Too cool, below 55-60F and some nutrient uptake may be limited. I personally run 80-85F on and 65F or so off. We want to keep them growing around the clock for best results. Another thing to consider is humidity. If lights on you humidity is say 60% or higher then you have a line that can be crossed. Hot air retains more moisture than cool air. So you need to be careful dropping more than 10 degrees F to avoid condensation in the grow area. This is where air movement and/or amount needed during lights off needs to be addressed also......

A stable temperature of 20C/68F is best. Under 14C/57F the marijuana plants roots growth will slow down quickly. Over 24C/75F pests will have the perfect place to grow.

this is old but think its a little wrong , running your temps higher during lights off will actually keep ur plants from streaching and keep internodal space tighter and prevent dew .