Do you have a pesky algae problem that just will not go away? From the most trusted chemical brand online comes Blue Wave's Eradicator 60 algaecide. This non-metallic algaecide is great for most gunite and concrete pools. Perfect for killing all types of algae and will not affect the pH level in your pool. Three ounces will treat 10,000 gallons. Blue Wave's Eradicator's non foaming formula will leave no residue and you can swim COMPARE TO POOLTRINE 60®, GUARDEX ALGAECIDE 60®, ALGAE ALL 60® AND SUN 60®.