I have a concrete building on the property that is over 100 years old. We are going to be tearing it down soon and was wondering if it would be okay to use the cinder blocks in my one acre pond or possibly crush the concrete up and use in the pond. It looks like it was painted long ago as well. There is also old brick I could use.
Here's the picture of the building
https://imgur.com/a/Q4johmu
