BioGuard Dual Algaecide provides powerful, long-lasting protection against all types of algae commonly found in swimming pools. Its dual-action formula combines two proven active ingredients that work together to prevent and control the growth of green, black, and mustard algae.

Safe for all pool finishes and compatible with most sanitising systems, this non-foaming algaecide helps maintain clear, inviting water throughout the swimming season. Regular use of BioGuard Dual Algaecide supports balanced water chemistry, reduces maintenance time, and enhances the effectiveness of your sanitiser.