Honestly, the first 3 months I had my AC infinity Cloudline T6, I never setup the controller.

I just left it on and never bothered reading the instructions or messing with the settings but it was a shame because there is definitely a use to understanding how to install and have this help with optimizing your airflow, temperature and humidity.

In this video, I teach you the best settings for your controller that is compatible with the T3, T4, T6, T8, S4 and S8 so you can make the happiest plants possible.

Here is a link to the fan/controller T6 I have itself:

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Reason why low temp limit never works. Your tent is heated with a light. Unless you have some sort or air conditioner in your tent to cool it colder than your room, a low limit is not necessary.

Lets say your probe is reading 78, your room temp is 70 and you set a limit in between of 75, the fan will trigger when it hits 75, bringing your tent temperature closer to 70 FASTER.

The target is to have the temperature as close to 78 as possible so you are essentially doing the opposite. Now lets take that same scenario and set the trigger at 60.

Tell me how in the world the internal temperature of your tent will drop down to 60 without having you room temperature drop down even lower? Plants do not cool themselves. The only reason why your internal temperature would drop down is because the room temperature dropped down lower and you would again cause your temperature to drop down to the cooler room temperature faster.

Reason why low humidity limit never works. 95-99 percent of the water cannabis plants consume transpires (sweats) out.

The humidity in your tent will always be higher than the humidity in your room unless your plants are not being fed. An empty tent without plants will always end up matching the humidity of the room the tent is in so when you add plants, the humidity in the tent goes up. Now lets set humidity levels.

Lets say your probe reads a humidity of 60%, the room is at 50% and you set a trigger at 55%. If your humidity hits 55%, the fan will turn on, bringing your humidity down LOWER to 50% instead of raising it. The low limit is causing your humidity to go lower, which does not make sense. Now same scenario, but we set the trigger at 45%.

When will the temperature in the tent ever be less than the temperature in the room?? Ah, maybe if you had a dehumidifier in your tent. But then why would you need this controller?

Again, this will never trigger and serves no purpose because plants always increase humidity.

Check for more.


  1. Do you have a setup video for the Vivosun E42A Controller?

    1. Im pretty sure its the same thing. Regardless, if you just go to any of my grow charts, it shows you what to manually set it at week by week

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