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10-Nov-07, 04:08 PM
|  | I love it LOUD! Subscriber | Join Date: Oct-06 Location: Sutherland Shire NSW Age: 32 | | | Incubation question (tub temp vs incubator temp)
Hi again all,
Just a quick question - should the temp probe for the thermostat be placed in the actual tub the eggs are in (I've seen this done, but obviously its harder to seal the tub) or is it considered the temp of the eggs in the sealed container will raise and be so close to the incubator temp right near the container that it makes minimal difference to the temp outside the egg container vs inside with the eggs....
Thanks |
10-Nov-07, 04:19 PM
|  | Regular Member | Join Date: Jul-06 Location: sydney, northern beaches | | | | in the tub with the eggs, if im not mistaken, the whole foam box should be 'humidified' not just a little container..
right in the center f the tub, on the same level as the eggs, this should get all your eggs at the same temp. (you have the heating cord under the eggs right? ) |
10-Nov-07, 04:25 PM
|  | QUEEN B Subscriber | Join Date: May-07 Location: Brisbane Age/Gender: 23  | | | | I just drop both the thermostat probe and the thermometer probe onto the lid of a tub.
I hadn't really thought into it that much to be honest, lol.
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10-Nov-07, 04:42 PM
| | I love it LOUD! Subscriber | Join Date: Oct-06 Location: Sutherland Shire NSW Age: 32 | | | Quote:
Originally Posted by Miss B  I just drop both the thermostat probe and the thermometer probe onto the lid of a tub.
. | Thats what I thought - mines on the shelf right next to the tubs. I didn't think most put it IN the egg container, since most people have the egg containers well sealed, but I saw a pic with the probe in a container so thought I'd check. I mean, even if theres a degree or so difference between the egg container and the surrounding incubator, with temps set to 30 thats still 28 or 29 which I think is within the suitable incubating temp range and is ok. Just being a pedantic expectant father again.  I just wish she'd pop so I can relax.  |
10-Nov-07, 05:40 PM
|  | Subscriber | Join Date: Sep-03 Location: either fishing or not | | | | Hey falconboy, stick your thermometer and thermostat probes right in amongst the egg mass mate. That's what temp is important. It will be hotter in the egg container than the main incubator as the eggs generate some heat. Just drill a hole in the side of the tub, stick the probes through and tape up the hole. Easy.
A degree or two is a fair bit of variation if you ask me. A pulse proportional thermostat is capable of holding a temp to within a couple of decimal points so why not use it to it's potential. |
10-Nov-07, 07:32 PM
| | I love it LOUD! Subscriber | Join Date: Oct-06 Location: Sutherland Shire NSW Age: 32 | | | | Well I've done this (sorry about the bad pic), I have a tub in the middle with the probe taped into it, but using this just as a 'temp tub', not putting eggs in this one (unless I run out of room), so this way I know the temp in the tub is at least pretty close to the temps in the tubs next to it.
OK? |
11-Nov-07, 08:16 AM
|  | Seller | Join Date: May-06 Location: Somewhat Ashamed To Say On This Site Now! Age/Gender: 24  | | | bit pedantic but sure 
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11-Nov-07, 11:48 AM
|  | Subscriber | Join Date: Nov-06 Location: Wollongong Age/Gender: 23 | | | | I think its a great idea.
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11-Nov-07, 11:52 AM
|  | Impatient Snake Subscriber | Join Date: Jan-07 Location: Sydney Gender: | | | My probe is right inside the container - as Fishead has said - the temperature at the eggs is the most important...
...I am not sure how much variation there would be between the eggs and the rest of the incubator - but if you think about it, your goal is to hatch eggs, not heat air  Whatever the EGGS need, give them...
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11-Nov-07, 11:56 AM
|  | Regular Member | Join Date: Mar-06 Location: Darwin NT Age/Gender: 23 | | | | Don't put it in with the eggs. Put it inside the incubator but not in the egg container. The problem with putting it inside the egg container is that temps can rise higher outside the egg container before the required temp is reached in the inc substrate. Meaning that you can have large spikes in temperature.
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11-Nov-07, 12:07 PM
| | I love it LOUD! Subscriber | Join Date: Oct-06 Location: Sutherland Shire NSW Age: 32 | | | Blimey, I'm sorry I asked the question now.
Although I can't see why their would be temp spikes in a fairly stable incubator...... |
11-Nov-07, 12:16 PM
| | Subscriber | Join Date: Nov-06 Location: Wollongong Age/Gender: 23 | | | Quote:
Originally Posted by waruikazi Don't put it in with the eggs. Put it inside the incubator but not in the egg container. The problem with putting it inside the egg container is that temps can rise higher outside the egg container before the required temp is reached in the inc substrate. Meaning that you can have large spikes in temperature. | You see thats how i was enclined to think. And as myself and Falconboy have discussed, you can them control the incubator temp and allow for the slightly higher temps in the tubs (ie set it at say 28deg working on the assumption that there could be marginally different readings, higher ones, in the egg containers themselves)....... maybe we should poll it to see what the general consensus is? Cause at present i'm confused.
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11-Nov-07, 12:17 PM
| | Regular Member | Join Date: Mar-06 Location: Darwin NT Age/Gender: 23 | | | | well if you have the probe with the eggs and lets say you open the egg container to get some new air flowing around, the ambient temp will drop, the probe will pick up on that and switch the heat source back on. With the probe separated from the heat source by the container that the heat has to get past the temps outside the container will rise higher than it needs to be before the stat turns it off. Then with the temps outside the container higher inside the container temps will still continue to rise.
Basically if you have the probe outside the container the temps in the entire enclosure will never go over what you have set the stat at.
I explained it really bad, but does that make some kind of sense?
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11-Nov-07, 12:21 PM
| | Subscriber | Join Date: Nov-06 Location: Wollongong Age/Gender: 23 | | | | Yeah i understand and agree with that 100%- I just can't understand why others would do it the other way (ie probe in egg container- for the reason you just outlined).
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11-Nov-07, 12:28 PM
|  | Subscriber | Join Date: Jan-07 Location: my own little world Gender: | | | Quote:
Originally Posted by waruikazi Don't put it in with the eggs. Put it inside the incubator but not in the egg container. The problem with putting it inside the egg container is that temps can rise higher outside the egg container before the required temp is reached in the inc substrate. Meaning that you can have large spikes in temperature. | spot on !!
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