What is mustard algae?

Mustard algae, also known as yellow algae, is a common type of algae that can be found in swimming pools and other bodies of water. It gets its name from its yellowish-green color and powdery appearance. Mustard algae is a slow-growing form of algae that can cling to the walls, floors, and other surfaces of a pool. It is also resistant to normal chlorine levels and can be difficult to get rid of.

Mustard algae can cause water to appear cloudy or hazy and can make surfaces slippery and slimy. It is not harmful to humans, but it can be unsightly and make swimming unpleasant.

To get rid of mustard algae, it is important to thoroughly scrub and clean all affected surfaces, shock the pool with a strong dose of chlorine, and maintain proper chemical levels to prevent future growth. Algaecides specifically designed to target mustard algae can also be used to help remove and prevent its growth.

Regular maintenance, including brushing and vacuuming the pool, maintaining proper chemical levels, and keeping the pool clean and debris-free, can help prevent mustard algae from becoming a problem in the first place.