Shock Treat: The Floater Contains A Start Up Shock Treatment For The Rapid Cleansing Of Your Pool. Kills Algae: Contains Algaecide And Bacteriacides To Kill Algae Providing Pool Water That Is Safe To Swim. Sparkling: Floater Also Includes A Fast Acting Clarifier For A Sparkling Clean Pool. Uv Stabilised: Floater Contains An Ideal Level Of Stabiliser To Prevent Chlorine Loss Caused By Sunlight. Sanitiser: Promoting Wellbeing With A New And Simple Solution To Keep Your Pool Bacteria And Virus Free. Monthly: A Multi Functional Floater That Offers You A Monthly Solution Making Your Pool Cleaning Experience A Quick And Relatively Simple Task That Is Easy To Manage No Matter How Busy Your Lifestyle. User Friendly .