Does anyone have a fireplace vivarium?

[Nanci]

Here's a picture of it: (Cord hole and grommet)

http://www.showcasecages.com/cage_details.htm

Mine is the type at the bottom:

http://www.showcasecages.com/cord hole grommet.htm

 

[JustineNYC]

If I used a probe I wonder if I could lock it in place and silicone the rest of the opening.