Warm weather has fueled a bloom that National Park Service workers are trying to kill using everything from hydrogen peroxide to nanobubbles ahead of July 4 celebrations.

Device installed to help keep Trump’s Reflecting Pool clear of algae was never used on a pool: report - ‘Ozone nanobubbler’ ...

President Trump's efforts to spruce up the Lincoln Memorial Reflecting Pool faced a snag this week, with algae turning the water green while rips appeared in an "American Flag Blue" surface picked by ...

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 ...

Algal blooms in the Lincoln Memorial Reflecting Pool in Washington, D.C., have long been a visible public nuisance. When the ...

In his battle to clear algae from the water by the Lincoln Memorial, the president has overlooked the real causes of unsightly — and often dangerous — algal blooms.

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 co ...

Days after the Lincoln Memorial Reflecting Pool was refilled with water, a large green algae bloom appeared. Now crews are using chemicals and nanobubble ozone technology to clean the monument. The ...

The paint began peeling off the bottom of the reflecting pool just days after renovations. Hydrogen peroxide used to treat algae may be the culprit.

The group has leaned into the ridiculousness, and on a recent evening, could be heard chanting, “Let’s grow algae, let’s grow ...

The recent algae bloom in the National Mall's Reflecting Pool highlights a common issue with these diverse, photosynthetic ...