Oxy Shock

The powerful oxygen-based oxidizer provides 2 benefits when used in conjunction with spa water sanitized by Chlorine. It helps eliminate contaminates introduced by bathers along with environmental factors like wind and rain. It also helps restore sparkle and clarity to the water without affecting hardness or stabiliser levels.Recommend using 1 ounce per every 100 gallons (3oz in a 300-gallon spa)