Potential Egg Problems

Hello all. So my pair of balls laid eggs a couple of days ago, but I am noticing something a little weird.

This is egg 3 in the clutch, and it was completely normal-looking a day or two ago.

Here is a photo of the whole clutch:

The humidity and temperature (around 88.7°F) seem to be normal. They were laid on September 06, 2025, and all of them are pretty firm (like what I expect they should be). Also, a few of the other eggs are showing a few signs of mold or something on the bottoms, though very minimal.


Thank in advance for any advice or help!

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Any of you guys know? @armiyana @caryl @cmsreptiles

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I wish I could be more helpful. I breed corns so changing the orientation of an egg would be a big no no. As far as the photo of egg #3, that simply looks like it’s developing a “window.” Windows are due to irregularities in mineralization of the egg shell and aren’t inherently bad. It looks like that one may be a bit bulgy but again, not always a problem. Some become transparent enough to see the occupant, others stay more opaque. If the darker areas on the bottoms of the others brush off, I would presume they’re a bit of mold. No harm in gently wiping it away. I’ll let others with more knowledge of BPs address the incubation conditions.

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So I had the same issue with my first BP clutch on egg #3, its because they have direct contact with the incubation medium and its causing a wet spot and making the egg deform.

This is why you see a lot of people incubate BP eggs on light diffuser crate, it protects the eggs from getting those wet spots.

Idk if it has any harmful effects, it could end up growing mold… my first BP clutch ended up being ok but I definitely wont be taking the risk again… and that spot will get worse if its not corrected.

The other eggs seem fine but they most likely will end up like egg #3 if they stay on the straight perlite without any sort of barrier. I think you can find light diffuser crate at hardware stores… if not you can definitely get them on Amazon.

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To me it looks like that spot was where the egg was attached to another before you pulled them apart, correct? That spot will be weaker, so as the egg expands in the moist environment of incubation, it’s more prone to bulging and possible leakage. I’ve had a couple of corn eggs do this. Try not to mess with it, definitely don’t put any extra pressure on the egg. Raising it off the incubation medium as @cmsreptiles suggested is a start, but it may be a failure point anyways as the egg & embryo grow.

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Agree with what was said above.
The first egg definitely looks like the area where it was attached to another egg and now that it’s been exposed to water it’s absorbed and grew a bit.

The other eggs are again, most likely due to the direct contact with the medium. It can become an issue if they are kept too wet. They can potentially mold or absorb too much water leading to incubation issues. Windowed eggs from calcification issues are generally not as worrying as windowed eggs from too much water.

In the case of the first one, I did successfully hatch one like that recently, but it took more time to develop. I don’t know how much worse it may get in your case.

If you can’t find light diffuser to put the eggs on and raise them at a hardware store, sometimes fish specialty stores will sell them as ways to attach coral in tanks.
Otherwise make sure the pearlite is damp but not wet or dripping. You can always add water to the corner of the egg box for more humidity, but too much in the pearlite can drown the embryos.

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That makes sense. I will try to get an egg crate diffuser and put that between the eggs and the perlite.

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Yes that is correct. So I will definitely try to leave that egg alone and hope for the best. If it does start leaking is there anything I should do about that or is the egg just gone if that happens?

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Some folks will use a washed portion of old eggshell or a bit of paper towel adhered with Elmer’s school glue to fix leaks. Others cover thin spots with either just the glue or a combo of glue and antifungal foot/jock itch powder (lotrimin or other brand). Just make sure you’re using non-toxic PVA glue such as Elmer’s school glue.

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Would that be good to do now before anything happens?

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I will leave that particular question to be answered by someone who works with ball pythons. When I had the issue with my corn snake eggs, I left them alone and didn’t have any issues until right before they hatched. Both times leaks happened in about the last week of incubation for me, and both hatched without issue.

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I honestly don’t know how bad #3 will get. The egg I had was a larger window and stretch, but was more than a few days old when it started developing. I haven’t tried any of the glue methods to fix eggs, I just let them incubate and see what happens in a case like that.

I think the best option is still keeping them raised on a platform over the substrate. A light diffuser being the best choice. There are some custom made ones though if you check around. I saw a couple for sale at a reptile show over the weekend.

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Ok, sounds good, and thanks for the input!

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So I was able to get an egg crate diffuser and put that in. So I hope they’ll be ok now!

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