Monday Test chemical levels with test strips Add bromine if needed Adjust pH and alkalinity to the proper level Add a natural enzyme clarifier according to package directions. Wednesday Test chemical levels with test strips Add a Stain & Scale Control according to package directions Friday Test chemical levels with test strips Adjust pH and alkalinity if needed Add a Spa Shock according to package directions REMEMBER: Many other additives are available for your spa. Some are necessary to compensate for out of balance water. Many additives aid cosmetic water treatment and others simply make the water fell or smell better. Test water at least once a week. Drain spa every 3 to 4 months Keep your filter clean Shock your spa once a week To raise pH or alkalinity add pH/alkalinity plus To lower pH or alkalinity add pH/alkalinity minus Bromine kills algae and purifies water