How Safe is Hydrogen Peroxide? Workers Add Chemical to Green Reflecting Pool
Summary
The Lincoln Memorial Reflecting Pool recently turned green due to a fast-growing algae bloom. Workers are adding hydrogen peroxide to the water to clean the algae and restore the pool’s clarity after a recent renovation.Key Facts
- The Reflecting Pool has about 6.5 million gallons of water.
- A fast algae bloom appeared shortly after the pool’s renovation and reopening.
- Hydrogen peroxide is being used to kill algae because it is milder than chlorine.
- The chemical treatment is combined with filtration and ozone systems to clean the water.
- Algae growth is common in shallow, slow water bodies like the Reflecting Pool, especially with sunlight and nutrients.
- The rapid algae growth may be due to leftover algae in pipes and warm water conditions.
- Treating algae in such a large pool is difficult and requires careful measurement of chemicals.
- Experts say hydrogen peroxide also bleaches the algae, improving the pool’s appearance.
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