Which thermometer to trust???

Discussion in 'Incubating & Hatching Eggs' started by kburen, Oct 5, 2010.

  1. kburen

    kburen Chillin' With My Peeps

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    May 19, 2008
    I set my eggs last night in the incubator, (11 eggs). I have 3 thermometers in there. 1 that came with the incubator, 1 that came with the egg turner and 1 that I bought at WalMart (a digital thermometer and hygrometer). 1 regular one is on the left side of the incubator and reads around 100 all the time. This one is placed between 2 eggs, closer to the bottom of the eggs. The second regular one is placed on top of the eggs on the right side of the incubator and reads much higher, around 104-106. The digital is placed DIRECTLY above the second regular one, also towards the top of the eggs and reads much lower than the other two at around 97. How do I know which to trust???? And also, when should I be able to candle and see some sort of sign of life/growth? I don't have high hopes for these eggs with the shipping/packaging and the amount of yolk on the surviving eggs and would like to be able to remove duds as soon as possible. I understand that if there is bacteria in them it can spread to the others and kill them???
     
  2. rebelcowboysnb

    rebelcowboysnb Confederate Money Farm

    You have a medical thermometer laying around?
     
  3. scooldog

    scooldog Chillin' With My Peeps

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    Dec 15, 2008
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    I didn't think a "medical " thermometer would only read if it wasn't actually touching something...meaning it doesn't read air temp?
     
  4. rebelcowboysnb

    rebelcowboysnb Confederate Money Farm

    Air has mass, they read anything with mass. Ive used them for a few years now. I use the regular weather thermometers to show me if it changes but the medical ones for accuracy.
     
  5. scooldog

    scooldog Chillin' With My Peeps

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    Dec 15, 2008
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    So is it a glass one then?
     
  6. rebelcowboysnb

    rebelcowboysnb Confederate Money Farm

    Ain't seen a glass one in years but they should work. Here's what I have in mine.
    [​IMG]

    $3

    There is still a chance of getting one that is off but because of the liability they are usually more accurate.
     
  7. kburen

    kburen Chillin' With My Peeps

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    May 19, 2008
    I think I do have one. I would want to check the temp at the top of the eggs, middle or bottom? [​IMG]
     
  8. rebelcowboysnb

    rebelcowboysnb Confederate Money Farm

    In a still air incubator its the temp at the top of the egg. Thats the trick with oral thermometers is getting the probe in the right place an still being able to turn it on an read it.

    If you have a weather thermometer that has a probe you can put the probe in hot water(100*F) an then put the oral thermometer in there an see how far off your weather thermometer is. Then just use the weather thermometer.
     
  9. betsy777

    betsy777 New Egg

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    Sep 7, 2010
    I just use the thermometer that came with it. I have hatched eggs out with a 100 watt bulb on a damp wash cloth. for the 1st time I ordered eggs on the net & bought a hova bator, we are on day 15 & out of 17 eggs I believe only 5 are fertile. is this normal? we wanted to start raising jersey giants.this is why we ordered them
     
  10. rebelcowboysnb

    rebelcowboysnb Confederate Money Farm

    Shipping eggs are hit an miss. Anything over 50% is a good result.


    The thermometers that come with incubators are not known to be very accurate.
     

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