Humidifier question

[NanoGadget]

In the final days of prep for a single plant run and I had a question about humidifier placement. The ambient RH of the room my tent is in is very low right now because it's winter and my house uses radiant heating. So I know I'm going to need to run my humidifier pretty much constantly . it's a 3x3x6 tent with 4 inch ducting and good fans on the input and output side so there is a decent amount of air exchange. should I try to get the whole room up to the RH I want my tent at or should I put my humidifier in the tent focus on keeping the tent at the right level? my temps are all golden so I don't have to run my fans very hard at all and I'm running LED so it's pretty easy to keep the temps good.

 

[Bareback]

I say just the tent . Bc I don't think the humidity will transfer very well.

Hth

 

[Gary Goodson]

I say just the tent . Bc I don't think the humidity will transfer very well.

Hth

Nope.

If you're constantly cycling air, then raising the humidity of the tent isn't going to work because you'll just be sucking it out all the time.

In the final days of prep for a single plant run and I had a question about humidifier placement. The ambient RH of the room my tent is in is very low right now because it's winter and my house uses radiant heating. So I know I'm going to need to run my humidifier pretty much constantly . it's a 3x3x6 tent with 4 inch ducting and good fans on the input and output side so there is a decent amount of air exchange. should I try to get the whole room up to the RH I want my tent at or should I put my humidifier in the tent focus on keeping the tent at the right level? my temps are all golden so I don't have to run my fans very hard at all and I'm running LED so it's pretty easy to keep the temps good.

What is your rh at now? I don't really like the idea of a humidifier late in flower. You don't want to create an environment for mold.

 

[NanoGadget]

Nope.

If you're constantly cycling air, then raising the humidity of the tent isn't going to work because you'll just be sucking it out all the time.


What is your rh at now? I don't really like the idea of a humidifier late in flower. You don't want to create an environment for mold.

Currently the RH in the tent is fluctuating between 5 and 15 percent. I'm pulling air from the room but venting outside the room, so I guess I could get the whole room's RH up...

 

[NanoGadget]

Keep in mind this is all pre plant.. just running lights, fans and pumps to test the environment before I start.

 

[Gary Goodson]

Currently the RH in the tent is fluctuating between 5 and 15 percent. I'm pulling air from the room but venting outside the room, so I guess I could get the whole room's RH up...

How hot are the temps in the tent? You can put your exhaust on a timer and allow humidity to raise as long as temps stay within range. Then after the fan kicks on, it'll lower the humidity, but it'll jump back up after the fan stops. Your tent is only 54 cubic feet so the smallest inline fan will only have to kick on for a minute or 2 to fully exchange the entire volume of air in that tent.

You can also buy a temp/humidistat too.

 

[NanoGadget]

With my fan dialed down to like %20 my temp between the light and the top of the bucket is pretty much 75 degrees all the time.

 

[Gary Goodson]

With my fan dialed down to like %20 my temp between the light and the top of the bucket is pretty much 75 degrees all the time.

That's perfect. Only thing is, you have to keep the fan on the whole time, correct? If so, then your only other option is to raise the humidity of the room.

That kinda sucks and that's why I was trying to help you figure out a way to raise the humidity of the tent alone. Either way, it can be done.

Good luck and happy growing

 

[NanoGadget]

That's perfect. Only thing is, you have to keep the fan on the whole time, correct? If so, then your only other option is to raise the humidity of the room.

That kinda sucks and that's why I was trying to help you figure out a way to raise the humidity of the tent alone. Either way, it can be done.

Good luck and happy growing

Yeah.. kinda sucks but I have 3 humidifiers so I can easily get the room to whatever point it needs to be at to get the tent where it needs to be. between the constant air exchange and venting outside the room I feel like I'll be fairly safe from mold. I'll make sure to dial it back once I'm in flower.. thanks for the feedback

 

[Gary Goodson]

Yeah.. kinda sucks but I have 3 humidifiers so I can easily get the room to whatever point it needs to be at to get the tent where it needs to be. between the constant air exchange and venting outside the room I feel like I'll be fairly safe from mold. I'll make sure to dial it back once I'm in flower.. thanks for the feedback

Keep us updated and don't hesitate to pm me if you feel you need to.

 

[NanoGadget]

Keep us updated and don't hesitate to pm me if you feel you need to.

Thanks a ton!

 

[orangeade5]

Your humidity will be raised when plants and wet soil are in there. Personally I don't think you'll need a humidifier at all. I used to think that, and now I have a dehumidifier running in my house.

 

[Bareback]

Nope.

If you're constantly cycling air, then raising the humidity of the tent isn't going to work because you'll just be sucking it out all the time.


What is your rh at now? I don't really like the idea of a humidifier late in flower. You don't want to create an environment for mold.

I was just referring to early plant development ( seedlings) because of his Rh in the room where his tent is located. As we know flowering plants transpire....... thanks the might OP is going to have some issues with a room 10/20% rh . And we'll have lots of opportunities to help this op along his journey.

 

[WeedFreak78]

Keep in mind this is all pre plant.. just running lights, fans and pumps to test the environment before I start.

Plants will add quite a humidity load once they start getting bigger. I'm in a basement that's dehumidified to 50% 24/7, 365. My tents run down to 25-30%RH with nothing in them. By mid/late flower I'm around 55%. If I want to raise it a little, I put a bowl with water and an air stones next to my intake, it's good for an extra 5+% RH.

 

[NanoGadget]

Forgot to mention a few things... first off I'm going to be running a single bucket top drip hydro system which has been full of water and dripping throughout this test run and I'm still getting insanely low RH in the tent. I really don't think you guys understand how dry the air in this house is. I know a plant transpiring will boost it a bit, but it isn't going to take from the 5 to 15 percent range (it actually went down so low that my meter couldn't even measure RH a few times...) up to an acceptable level for vegging. I already know I'm going to need humidifiers, I was just trying to figure out the safest place to put them to avoid fungal or bacterial growth while still getting the climate I need. Thanks a lot for all the responses!

 

[NanoGadget]

Your humidity will be raised when plants and wet soil are in there. Personally I don't think you'll need a humidifier at all. I used to think that, and now I have a dehumidifier running in my house.

You must not live in a cold climate... the RH in my house is 4% right now... let that sink in... 4%

 

[oldcarp]

You must not live in a cold climate... the RH in my house is 4% right now... let that sink in... 4%

How can you live in that low of RH? Thats going to cause you some health problems, dude Supposed to be around 45-55 to be healthy for you AND your house

 

[orangeade5]

You must not live in a cold climate... the RH in my house is 4% right now... let that sink in... 4%

Google says that right now it's -15 fahrenheit and 60% humidity in Fairbanks Alaska. The average humidity for the driest cities in the United States is 30% which are places like Nevada and Arizona. Do you live in a can of desiccant?

Are you using a quality hygrometer?

 

[NanoGadget]

How can you live in that low of RH? Thats going to cause you some health problems, dude Supposed to be around 45-55 to be healthy for you AND your house

It's only like this during the winter.. the cold freezes a lot of the humidity out of the air.and then on top of that the radiant heat that heats the house pretty much sucks the rest out... I use a humidifier in the living area of my house and that typically gets it up to the 25 to 30 percent range. I was mainly asking whether to humidity the entire room that the tent is in or place the humidifier in the tent.

 

[NanoGadget]

Google says that right now it's -15 fahrenheit and 60% humidity in Fairbanks Alaska. The average humidity for the driest cities in the United States is 30% which are places like Nevada and Arizona. Do you live in a can of desiccant?

Indoors man. the humidity where I am right now is about 35%. Inside my house with the heat on its currently 17%