80 year old clay brick in near chimney clean out in basement , need to seal this

This is not a water problem, it's just very old brick that needs sealing, any recommendations would be helpful
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On Tuesday, June 5, 2018 at 5:44:14 PM UTC-4, Barbara Lemke wrote:

It's not clear what exactly what needs sealing, the picture isn't very clear. If it's a gap between the cleanout metal and the brick, there are a variety of caulking products that come in a tube for a caulk gun that are made for masonary.
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