Algae is a problem every pool owner has to face. Here's when it stops being just a problem and becomes a hazard.

Add Yahoo as a preferred source to see more of our stories on Google. It's a hot summer day and the sun is bright—perfect weather for taking a dip in your pool. You venture out to the backyard to ...

Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, ...

The Lincoln Memorial Reflecting Pool was intended to reopen as a patriotic showpiece of Donald Trump’s Washington, D.C., beautification plan, with the bottom of the pool freshly coated in what he ...

Add Yahoo as a preferred source to see more of our stories on Google. National Park Service employees work to clean up algae in the Lincoln Memorial Reflecting Pool following the completion of recent ...

President Donald Trump announced a project to transform the Lincoln Memorial Reflecting Pool in April to address leaks and dirty water and paint the bottom "American Flag Blue". But now he's seeing ...