BAQUA Spa Oxidizer Description A liquid oxidizer consisting of specially stabilized hydrogen peroxide. Use weekly, keeps spa water sparkling clear by oxidizing organic compounds. Step-2 of the BAQUA Spa® 3 step system. Directions For Use Add 3 ounces of Baqua Spa Oxidizer per 150 gallons of spa water. Be sure to wipe with a clean, damp cloth any excess product that drips down the side of the bottle. Circulate water for a minimum of 15 minutes. Routine Maintaince …