Leisure Time Spa Balance Foam Down (30241A) Continual foaming problems can indicate other imbalances in the spa such as low calcium or possibly the need to drain the water Compatible with chlorine, bromine, ozone and biguanide sanitizers For more than 25 years, Leisure Time has been the premier name in spa water care Stops and retards foaming Compatible with chlorine, bromine, ozone and biguanide sanitizers