Hygrometer Calibrating help

GothChick

Songster
10 Years
Sep 5, 2010
483
44
181
Wisconsin
Hi, I tried calibrating my hygrometer with the salt method. This morning when I checked in it, it is reading at 69% so is it really 6% off or did I mess up the test? I put 1/2 cup salt, with 1/4 cup water in a small coffee cup and then put them in a ziplock bag overnight. Any advice? I have eggs arriving in the mail today and need everything set up for them. Thanks!
 

saladin

Songster
10 Years
Mar 30, 2009
2,831
151
221
the South
Throw the thing away!!!

Go to a hardware store and buy a CHEAP digital indoor outdoor thermometer that also tells the humidity. You can get one for less than $15. No calibrating/ no guessing and it is easy to read. I ditched the hygrometer about 10 years ago.

I'm not always into the easy way out, but trust me, you'll think me in the long run.
 

GothChick

Songster
10 Years
Sep 5, 2010
483
44
181
Wisconsin
I have a digital indoor/outdoor one but it still is reading off. I even checked the temperature reading and it was a bit off. It is reading 69% in the bag with the salt water mixture.
 

saladin

Songster
10 Years
Mar 30, 2009
2,831
151
221
the South
My cheap one works, that's all I can tell you. Hatch rate runs around 90-95%. I try to hatch 300-500 chicks per season.
 

FlipFlopFarmer

Chirping
9 Years
Sep 16, 2010
162
1
99
amid organized chaos,Louisiana
STUPID STUPID STUPID humidity!!!!!!!!!!!!!! i prefer my hydrometer from the reptile supply with the needle on it. The digital one from walmart was smoking crack!!! I am on the verge of just taking the thing out of the bator all together just to keep my sanity! Good luck!
 

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