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ACO® (Active Catalytic Oxidizer) is a chlorine enhancer, crystal clear water, advanced environmentally friendly technology. It can be used in outdoor swimming pools as well as salt water swimming pools. There are two benefits as follows:

1. ACO® increases the germicidal ability of sunlight.
2. It enhances the oxidation of sunlight by increasing the number of free radicals in water.

AFM® Glass Filter Set for Filter Tank 8×18 inches (20×45 cm) Includes AFM® grades 1 ng and 2 ng