A long time ago, in a galaxy far, far away, a large steam boiler was replaced by a smaller and more efficient one. The plumbing company neglected to repair the concrete floor, and left a shallow cut-out instead of patching it with a few pounds of concrete.

Fast forward to today, and your obsessive-compulsive correspondent is sick and fvcking tired of seeing the functionally trivial but unsightly and irritating flaw in the floor. The concrete floor in the boiler room. Where nobody but he goes.

I wonder if they sell bags of concrete that small? Or should I just order a full truck-load?