Should I reseal tank?

[CaptRob]

I just picked up my new to me 180g tank. The seals look ok but the front 2 corners are a little discolored. I was thinking about resealing them. My question is should I just leave them alone or reseal them.

 

[fishguy242]

hi was it full or dry when you found

 

[CaptRob]

hi was it full or dry when you found

Dry