Baracuda Granular Chlorine is an easy-to-use and fast-acting chlorine product that kills all bacteria and algae in pools. No mixing is required, just throw on the steps or in the corners of your pool. There is no waiting time with Baracuda Granular Chlorine which means it starts working straight away, keeping your water safe from viruses and bacteria. CAUTION: Add chemicals to water, not water to chemicals.