Can’t keep Humidity up even with Humidifier

[SC69]

I see your point thanks for all the info guys, How much appreciated

I see this is a while ago but I could have saved myself anxiety by searching this days ago. How are you making out?

 

[BirdLaw86]

By reading the title and NONE of the comments and going off whats been told to me by a grow genius, im thinking it may be the Air conditioner removing the moisture from your air. Thats the only reasonable explanation to me.

So do ya got an AC running non stop? If so that may the the thing to correct, if ya dont have 1 running then im stumped bc i had sams issue. Usually at 40%RH and then dramatically dropped to an average of lile 30 to as low as 26% and it was my air conditioner.

 

[MIGrampaUSA]

By reading the title and NONE of the comments and going off whats been told to me by a grow genius, im thinking it may be the Air conditioner removing the moisture from your air. Thats the only reasonable explanation to me.

So do ya got an AC running non stop? If so that may the the thing to correct, if ya dont have 1 running then im stumped bc i had sams issue. Usually at 40%RH and then dramatically dropped to an average of lile 30 to as low as 26% and it was my air conditioner.

I actually utilize my central air during the summer months to help dry out my grow room environment. The dehumidifier still runs during the wettest muggiest of weather though.

Where I live, I have yet to run into conditions that would cause me to need to run a humidifier. I can keep my rH pretty stable using air flow only. Of course, somewhere else where it's much drier than Michigan "might" need one... That is possible.

 

[Cool_Beans]

Lol, I agree with you, but to be fair I learned about VPD and the benefits of controlled RH in Botany class when I was in college studying for greenhouse production practices. It's not so much that it's necessary, but it can be beneficial.

We were taught that there are benefits to manipulating RH, but you can also manipulate other variables to make it work if you can't control RH. For example if RH is really low like <30% in a warm environment, reducing calcium in the feed slightly and running a reduced ec can help keep things trucking along.

That said it was generally accepted that optimized VPD has better production values. Whether it's worth it to chase down the marginal improvement in production at a small scale like we grow at, is really where the question lies. Probably not. But some of us growers can get rather obsessive trying to grow things the best we can, and practicality is often overlooked. I see it as a similar situation to Co2 enrichment. Does a plant produce better at 1200ppm? Yep, but does a plant still produce dank nugs at 400ppm? Yep.

This is good info, thank you.