There has been a tank in this location for almost 20 years. This build started with a new tank replacing the original in October of 2017.
https://www.reef2reef.com/threads/dangerdave’s-160-gallon-reef-in-wall-build.335002/
https://www.reef2reef.com/threads/dangerdave’s-160-gallon-reef-in-wall-build.335002/