A green pool is far from appealing, especially if you want to take a dip. You can fix it by pouring hydrogen peroxide into the pool, but with some caveats.

Trying to kill algae with chemicals is a common response when community ponds or other water features go green, but a ...

President Donald Trump’s more than $14 million Lincoln Memorial Reflecting Pool renovation was completed just over a week ago, with its more than 300,000 square feet refilled with 6.5 million gallons ...

The Washington Monument is once again visible in the refilled pool, but Trump's vision of an azure expanse between the D.C. landmarks has been complicated by the harsh realities of chemistry and ...

Gallon jugs of hydrogen peroxide were dumped into the Lincoln Memorial Reflecting Pool. But will that fix the green algae? Here's what we know.

The water in Washington DC's Lincoln Memorial Reflecting Pool has turned green, and National Park Service officials are turning to drastic measures.

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.

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

The shallow, sunny waters of the reflecting pool are an ideal incubator for algae growth in the summertime. Experts say the recent renovation may have helped accelerate it.

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 ...

D onald Trump has a new nemesis, with a name worthy of a supervillain: Scenedesmus.

President Trump’s reflecting pool woes are growing. Days after the water in the Lincoln Memorial Reflecting Pool turned green from algae, the recently applied blue paint is now peeling off the bottom ...