Buddy PlusDescription: To reduce germs and algae in pool water, the Chlorine Floater Buddy is a long lasting, stabilized chlorine floater that has 90% accessible chlorine. Dosage and usage instructions: Place the floater in the pool after cutting off the number of nubs that corresponds to the pool's size. Every two weeks throughout the summer, or maybe every week depending on the number of bathers, hot, muggy conditions, or after a lot of rain, pool water needs