The Durachlor Combat Extra product is powerful all-purpose algaecide that can target any form of stubborn algae. This non-staining liquid product is also fast acting and long-lasting on the toughest algae formations. Not only will this remove all types of algae, but it includes a special clarifying agent that will help clear up the water fast.

• All-Purpose algaecide
• Fast-acting and long-lasting formula
• Includes a special clarifying agent that helps clear up water fast