Repot added light need help

If I run the exhaust fan it sucks out the humidity. Isn’t humidity very important in this stage? What if you run it 30 min and off 1hr? I have a clip fan that moves air a little.

My fan is not a variable speed so it really pulls air. Do the controllers for AC motors work very well? Thanks for hanging with an old man but I do listen and appreciate it!!Temps with exhaust running 76 degrees with rh 60. Guess I’ll wait till flower to put power supply’s outside the heat is needed now!

I have put a variable speed controller on exhaust fan and run all the time Temps in low 80s humidity around 50. Do you need high humidity after the roots are taking over? Here’s what they look like now. When should I top?To me they look close especially the ones on the end. Running one qb260 full blast at 18".

I don’t top plants, but you want to have at least 5-6 nodes if that’s what you plan to do. You can turn down your light running it that close too. Your vpd would probably be in line at about 60% rh, but that is really more of having exact temp to take to chart. Close is probably pretty good.

I am new at this so I appreciate your knowledge. I think I have everything set pretty close. Just a tweak when needed. Also I thought it was normal to eather top or fem. Isn’t it good for more buds? Why do you not

Thanks for your help as I am new at this and your knowledge is invaluable. I think I have everything close.Just will have to tweak along the way. Being new I thought it was normal to rather femm or top. Is there a reason you don’t? My understanding you would get better yeld.

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If you’re looking for a bigger plant then it may be a good idea for you. But that’s not really how I learned to grow. I gow a lot of smaller plants instead. it cuts down on veg time required and faster turnaround.

As long as it’s hookup wire and rated to 300V you should be fine. Phone wire is NOT rated for high voltage: it only carries a signal.

If you purchase a remote thermostat switch and install it on your exhaust fan, it will then only come on when heat hits the setpoint on your thermostat. This is the best way to bump your RH and the plants don’t care if the fan is off or on. You will get plenty of air to the plants.

https://www.amazon.com/Nashone-Temperature-Controller-Thermostat-thermostat/dp/B071NG8MZK/?tag=greenrel-20