How do I lower humidity in homemade incubator?

paddock36

Crowing
11 Years
Dec 24, 2008
3,527
84
271
Ocala, Florida
I built it myself from a Rubbermaid cooler following directions that I saw on BYC. I finally got the temp. at 99.7 but the humidity is at 65% which I thought was too high for new eggs. I have a fan to circulate air. I removed the water in the tub and I have both air tubes open. Do I need to make more air tubes to lower humidity or what? There are no eggs in it yet I'm still trying to get it regulated.
But, I'm getting frustrated.
 

4estgump

In the Brooder
10 Years
Apr 14, 2009
62
0
39
Anderson Co. KY
I'm a new egg, but i built my bator also. I had the same problem. I had 2 3/4" holes close to the top of the bator. I put another hole close to the bottom of the bator. That fixed my problem. Now when my humidity gets high i open all 3 holes and it comes down.
Hope this helps, 4estgump
 

Iceblink

Songster
12 Years
May 29, 2007
194
1
129
Deep in a snow drift, NE
I built my incubator too, and had the same problem. I left it running with the lid slightly open until the humidity dropped and 'started over' with a very small water dish. It only has 2" circular surface area, then I put that plastic mesh stuff over it. I wanted to be able to raise and lower my humidity only a little bit. If I had needed to raise the humidity more, I would have put in another dish and added water with a straw via the vent holes. I also put in a narrow glass jar filled with water and lidded as a heat sink. On day 18 I took the lid off and the humidity went up just enough. It's deep enough that I don't have to worry about refilling it, but the exposed surface area is small.
 

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