if you can, put your control on something that can go up and down with the growing cycle of your plants. towards the top of the plant is a good place to start. check the reading with more than one thermostat to make sure you are getting a good controlled reading of temperature. try not to have your fans blowing directly on your control.
redneck1 Reviewed by redneck1 on . primair controller ive just bought a primair controller that controls my fan speed and controls the temperture of my grow room. what i would like to no is where should i put the temperture probe attached to the primair system in the room to get a good ready....under the light,on the top of grow room..ect .... Rating: 5