EZ SPA® is a water care program that combines simplicity and incredible water quality in a once-a-week application. Weve packaged the 3 main products in an attractive retail kit - just test the fill water and add the necessary balancers at startup. The EZ3 Spa Care Kit includes: Start to prepare the water by removing phosphates, metal and debris E-Z Boost to sanitize and disinfect Total Care does the rest with a clarifier, stable oxidizer, stain and scale inhibitor, water conditioner and balancers (pH, TA and CH) to keep spa water clean, clear and trouble free.