Algae blooms, peeling paint, and a host of fixes from hydrogen peroxide to nanobubblers have made it hard to diagnose what's wrong with the Reflecting Pool, let alone how to clean up the mess.

Algae blooms, peeling paint, and a host of fixes from hydrogen peroxide to nanobubblers have made it hard to diagnose what's wrong with the Reflecting Pool, let alone how to clean up the mess.

Algae blooms, peeling paint, and a host of fixes from hydrogen peroxide to nanobubblers have made it hard to diagnose what's wrong with the Reflecting Pool, let alone how to clean up the mess.

Algae blooms, peeling paint, and a host of fixes from hydrogen peroxide to nanobubblers have made it hard to diagnose what's wrong with the Reflecting Pool, let alone how to clean up the mess.