There are thousands and thousands of different kinds of algae, and only a few types are harmful. Algae are not just “green goo” … actually, they are “green good”! They produce oxygen, capture carbon ...

There are basically four types of algae, based on their color: green, blue-green, red, and brown. Green and blue-green algae are found in freshwater as well as saltwater. Red and brown algae are found ...