Pool Breeze Algicide 60Pool Breeze Algicide 60 is a powerful non foaming algae killer and prevention aid. This algicide will target green, black, and mustard algae, while helping clear up your pools cloudy water. Using this product will allow you to swim in your pool immediately, without any harmful residues or stains left behind. Kills and prevents green, black and mustard algae Formula is non foaming Leaves no residues or stains behind