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  "path": "/article/a-water-treatment-expert-on-what-could-actually-fix-the-reflecting-pool/",
  "publishedAt": "2026-06-19T22:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "The Trump administration wanted the surface of the Lincoln Memorial Reflecting Pool to be “American flag blue.” A water-treatment expert explains why the pool is still algal green and why the bloom could keep coming back",
  "title": "A water treatment expert on what could actually fix the Reflecting Pool"
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