EZ Spa is a water care program that combines simplicity and incredible water quality in a once-a-week application. This specially blended formula manages spa water while eliminating the confusion of adding multiple chemicals every other day. Product Features: Contains a clarifier stable oxidizer scale and stain inhibitor water conditioner and balancers (pH TA and CH) to keep spa water clean clear and trouble free Convenient and easy to use ??" just once-a-week! Superior water quality with less chemicals and testing! Compatible with chlorine bromine ozone and mineral purifiers Net weight: 1 lb.