The recently renovated reflecting pool on the National Mall will require draining again, just weeks after the completion of a multi-million-dollar project. The need for redraining stems from the appearance of algae and peeling paint within the pool. This development raises concerns about the quality of the initial renovation work. National Park Service officials have not yet detailed the cause of the damage or the timeline for repairs. The pool was previously drained and underwent extensive work to address longstanding leaks and structural issues. This latest setback will likely result in further disruption to visitors and additional costs for the project. The incident is prompting questions regarding the materials used and the oversight of the renovation process.