Thanks for the reply. I should have mentioned that it's an autoflower and lights will be off for 4 hours a night
Yeah, I was also worried that the fan would slow down during lights off due to temp dropping. So lose the temp sensor and run the fan at full blast?
It's still in veg so no smell yet.
Hello there.
First time grower so everything is worrying me
I'm using a 70x70x160cm grow tent
My inline exhaust fan is a 4 inch systemair rvk with 4 inch rhino pro carbon filter
250w MH/HPS lights
Fan speed controller with temp sensor
6inch circulation fan at the bottom
using passive...