Foam Down Concentrated foam suppressant designed for hot water applications. Features: Non-oily foam suppressant Specifically designed for hot water application Effective in any type of sanitized water Flip-top cap for easy application Applications: As Needed: 1. Shake well before using. 2. Add directly to the foaming area using approximately 1/2 oz. at a time. 3. Repeat as necessary. Sizes: 16 oz. 32 oz. 1 gal.Tips: Continual foaming problems can indicate other inbalances in the spa such as low calcium or possibly the need to drain the water. If foaming persists, contact your local Leisure Time™ dealer for advice. Compatible With: Chlorine, bromine, ozone and biguanide sanitizers.