JBJ 45G rimless tank backwall bowing

[Hipertec]

Hi I picked up a used JBJ 45G tank. The plastic AIO wall is bowing in the center. Almost like the plastic is warped. The center bottom silicone is also opened.
Is there a way to fix this?

 

[Benga]

Try and get some pics if you can

 

[Hipertec]

The opening picture shows the center chamber wrapped in.
The other picture shows how the center bottom is open and the silicone is no longer covering it.

 

[bblumberg]

Doubtful. It looks like this tank either had quite warm water in it, or was left out in the sun. I had a similar problem with black eggcrate from my sump. I cleaned and left out in the sun to dry for a few days and it warped quite a bit.

Maybe just remove that plastic section and make this into a regular tank with an external sump?