science / earth
3 days ago

Pink Powder Used in Firefighting: What is Phos-Chek?

Pink Powder Used in Firefighting: What is Phos-Chek?
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7 Highlights
  • Phos-Chek combats wildfires since 1963 with a water-salt mix, vital for firefighting.
  • The pink retardant helps stop wildfires, widely used in Los Angeles as of January 2025.
  • Made by Perimeter Solutions, Phos-Chek is sprayed on plants to prevent fires.
  • Despite its necessity, concerns over Phos-Chek's environmental impact persist.
  • Phos-Chek's effect on wildlife and waterways sparks legal and ecological debates.
  • The USDA restricts Phos-Chek near water, focusing use on critical safety threats.
  • Efforts aim to improve Phos-Chek eco-friendliness without losing firefighting power.
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