Hydrogen Peroxide and Nanobubbles Target Algae in Lincoln Memorial Pool

The Interior Department is using hydrogen peroxide nanobubble technology to kill algae in the Lincoln Memorial Reflecting Pool after renovations; videos show workers pouring the chemical into the pool, officials say it’s a milder, safer alternative to chlorine, but OSHA notes hydrogen peroxide is hazardous and the total amount used and the pool’s progress remain unclear as algae persists.