New crested gecko isnt eating

my crested gecko isnt eating, am I doing something wrong? I got him on Friday Oct 3d, and so car he hasn’t shown any interest in food, I’m trying to feed him repashy grubs n’ fruits and baby crickets.

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It’s completely normal for them to not eat for the first little while, make sure to leave him completely alone except for when you feed and water, no handling, then he should start eating within a week or two

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so absoluely NO handling during this time?

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You were just asking about cage building the other day. What do you have this little one in at the moment?
Tank size, setup and temps.
Just to be sure

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i had already made the tank, js wanted to make sure i did everything correct before i got my little man

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and I currently have him in an 18x18x24 tall terrarium, I skipped the real plants bc I heard they don’t rly need them and most of them would get destroyed by the geckos anyways

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Nope none until he’s eating, handling him would just add to the stress

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alr, thanks and could him not eating also be caused bc he doesn’t enjoy the food I’m offering?

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With the silicone? Cause that was only 3 days ago.

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of course, yea.:+1:

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Silicone doesn’t cure immediately and takes time.
There are fumes that may actually be causing damage to your gecko.

@autumngeckos how does this affect your previous advice?

Edit: also what brand of silicone did you use? Some are worse than others

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Screenshot 2025-10-05 7.37.59 PM

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did a lot of research on this silicone, it cured extremely fast, and very little odor, which was gone by morning.

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Did you read the instructions on the bottle? According to their SDS, the clear version cures at a rate of 0.1in/day. Depending on how thick you put it on, it could still be curing.

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I’d get your little Gecko out of that terrarium and into a temporary enclosure if this is true…

Even “animal/aquatics safe” silicone is harmful before it is done fully curing. Fumes can be released without the detection of odor, and needs at least a week to air out and cure completely… Otherwise the Gecko is being exposed to the silicone fumes and can have lasting effects on its health, silicone fumes can have negative effects on human health so imagine what it can be doing to the gecko.

Besides that topic… it is normal for Crested Geckos to take a bit to start eating, as well as the fact that they can be eating so little at a time that its impossible to notice that any of their food is missing especially if you put a lot in their feeding dish.

Crested Geckos might also not eat bugs which is a bit common, as long as they are getting CGD like Pangea growth and breeding or Repashy they are getting the protein they need because there is insects already blended into the mix. They do benefit from eating bugs outside of their CGD if they are going to become or already are breeding Geckos, but its not entirely necessary if they already get that from the CGD.

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Thank you all for your amazing responses, and I will take action immediately.

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Thank you for listening to the concerns and fixing it so quickly.
It may not seem like much to us, but the little guys can be more sensitive to some things we can’t smell.
Like the canary birds brought into coal mines to check for gas.

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what kind of tank should i use and how long does he need to be in there for

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As long as it’s the right temps anything with a similar size is fine. If anything you could maybe go a bit smaller if they’re really young so you can clutter it up a bit and they can find food more easily.

The most important thing is to make sure they’re a good temp and they have enough humidity. A dehydrated animal is less likely to thrive.

I think @autumngeckos or @cmsreptiles may have better suggestions for a temporary monitoring setup. I really don’t have much experience with them outside of a retail setting.

I have him in a 30, would a 15 be ok?