As the Lincoln Reflecting Pool turned green with algae, officials are now using chemicals to fix it.

Fixing the murky Lincoln Memorial Reflecting Pool now involves what looks like a mass dumping of household cleaner. Videos circulating Tuesday showed workers tipping gallon jugs of hydrogen peroxide into the long,

Workers are now deploying hydrogen peroxide in a bid to bring an algal bloom under control in the Lincoln Memorial Reflecting pool. The cause of the pool turning green is an algal bloom, which has happened following the renovations of the historical landmark.

The National Park Service is deploying hydrogen peroxide in the Lincoln Memorial Reflecting Pool to combat algae growth, according to a Department of the Interior (DOI) spokesperson. This effort follows the Trump administration’s controversial $13.

Despite a $14 million renovation, DC’s Reflecting Pool remains green with algae. CNN’s Sunlen Serfaty tested the water to find out why.

The race to de-greenify the Reflecting Pool continues, as National Park Service workers were seen dumping bottles of hydrogen peroxide into the pool Tuesday morning. Algae first appeared in the pool last week shortly after its reopening,

Is this what happens when you have zero scientists in your administration?” said one critic. This morning at the reflecting pool pic.twitter.com/uygkbcn7Mn — bob kovach (@bkovoDC) June 16, 2026 National Park Service employees on Tuesday were seen pouring a bleaching agent into the Lincoln Memorial Reflecting Pool in Washington,