The grow box has a heater, yes. And it's insulated. The exhaust fan runs at minimum in the dark, and the heater is set to come on below 16°. In the light the fan runs at a faster rate and the heat from the lamp keeps the temp at abput 17 to 18° 
Newbie auto grower has made a total arse of his first attempt...
- Thread starter Coffeesynth
- Start date
Outdoor temp is about 8 to 10°
