I love my hova bator but truly humidity is weird
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The first link is how I calibrate my hygrometers. The ones I've bought have been a long way from accurate. I put the salt in a tiny bowl set my thermometer/hygrometer on top of the bowl and set everything inside a ziplock baggy. It's really easy. My thermometers/hygrometers are independent from my incubator. My favorite thermometer backups are the enclosed glass tube aquarium thermometers. They're super small and the closest for temperature accuracy. I do calibrate every one I have. That's been an education in itself to see how far off they really are.
http://www.hermitcrabassociation.com/pages/calibrate.html
https://www.sciencecompany.com/Understanding-Relative-Humidity-and-the-Hygrometer-W136.aspx
Your Brinsea is much farther advanced than anything I have experience with. Hopefully someone with a Brinsea can give more information than I can.
Both Cynthia and Chicken Canoe make good points. Everyone may give slightly different information depending on what works for us. Use what you feel comfortable doing and makes sense to you. Sometimes what works for one person...doesn't work for another and vice versa. I made a forced air styrobator and it has height to it...so I can add open racks to hold containers to keep humidity up. I also have a McCain cake pan under the false floor where I can add water to the pan via small plastic tubing and a syringe. My pan will keep humidity up for a couple of days. We've had higher humidity for the last couple of years so my humidity doesn't drop as low as yours does. I don't have a scale so I don't weigh my eggs...I prefer to keep a visual on them. I'm very hands on, I stagger hatch and such. I pretty much do everything a person's not supposed to do...lol.
I think you're Brinsea is meant to save the extra work I have to do. They always sound like incredible incubators.![]()
got it huh mine is in my sewing room now so cats cannot knock it offI had to move where I normally keep the bator but it's full and cooking.
Day 1! 20 more to go lol
Thank you to you, and the others for responding!
I don't think my hygrometer has a screw to make adjustments, but I can certainly check it anyway. It and the gauge on the incubator itself seem to coincide well with one another. I'm going to have to figure out how to keep the humidity where it needs to be without harming the development of the chicks. The humidity is still high in there right now, but it's dropping as well so for the time being, I don't really know when I should mess with it since it only seems to hang out at 40% for so long. It's at 51% right now.
I just think I'll drive myself crazy through the rest of the hatch LOL