Warm mist or cool mist humidifiers?

A

Autoflowering grower

Active Member
I was just wondering what everyone's opinion is on warm mist vs cool mist humidifiers in the grow room/tent? I currently use warm. My tap water is over 500 ppm most of the time. So if I use tap water, I have to clean the humidifier at least 1 or 2 times per month. So most of the time I use rain water but it's a hassle collecting and storing it. On the other hand if I used a cool mist would it put impurities in the air with the tap water so hard? And if you use the tap water in the humidifier it is also bad for your carbon filter. What's everyone's views on this?
 
Imcamping86

Imcamping86

Well-Known Member
I use warm mist . I read that you are less likely to get PM . And in veg I don’t run my carbon cleaner . And I did also read humidity is bad for them . ( I never took it down , just don’t use it . Hope that counts lol )
 
Mr_X

Mr_X

Well-Known Member
cool because i want to avoid mold. mold likes to grow in dark, humid, warm environment.
 
Imcamping86

Imcamping86

Well-Known Member
StareCase said:
Ah ... OK. Humidity levels of 40% won't mess 'em up. Been running with RH at 40% and no problems with the carbon filter.
Click to expand...
Word ! Just read it was bad for it and was confirming his readings lol I didn’t know there were levels to it. Good to know lol side note , would warm mist humidifiers not be better because the water being vaporized by heat is purified ? Thus making it better than a cool mist ? I mean I know there’s situations for everything , but in the event of mold I’d imagine warm is the way to go ?
 
StareCase

StareCase

Well-Known Member
If you need to raise the humidity, warm is better than cool. As long as the RH is in the 40% range (50% during VEG is OK) and there is sufficient 24/7 air movement throughout, you greatly reduce your risk of the dreaded mold or mildew showing up one morning.

"In The Event of Mold" is a bad phrase in our parlance. I had to throw crops out because I did not provide good 24/7 air flow and found mold on some of the deeper crevices in the flowers one morning. Not a big fan of inhaling toxic mold spores.
 
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