Pink Bacteria (Pink Algae)
Pink bacteria is known by many names: pink algae, pink slime, white water mold. However, it is actually a type of bacteria. Pink Bacteria can be very difficult problem. Bacteria tends to grow much faster than algae, and will grow in difficult to reach areas – such as behind fixtures.
It’s more common in pools treated with Baquacil/Biguanide, but occasionally will occur in pools with low chlorine sanitizer.