Nava Multi-Functional Chlorinating Granules is a Sanitizer, Shock, Stabilizer and Algaecide - all in one product. They are formulated as an EPA approved Chlorine based Sanitizer for your Swimming Pool and Spa. Stabilized against the UV in sunlight to ensure the water remains safer for longer. In addition it is EPA approved for Shock (Superchlorination) in Swimming Pools and Spas, as well as for treatment of Algae. 56% Stabilized Chlorine.
Easy to handle
Little effect on pH which meands no acid or base demand
Perfect for vinyl, fiberglass pools and spas.
(*picture does not reflect product actual weight)