SpaGuard Spa Enhanced Shock$28.99SpaGuard Spa Enhanced Shock 2#Restores water sparkleRemoves unpleasant odorMultipurpose ShockCan be used in chlorinated or brominated spas and hot tubs along with tubs that use ozone SpaGuard Spa Enhanced Shock quantity — OR — Add to cart SKU: 1006 Category: Chemicals Tags: chemicals, hot tub, oxidizer, shock, spaguard Description DescriptionDip and read strips test quickly for chlorine or bromine residual, pH and Total Alkalinity. Easy and popular testing method for swimming pools and spas. 1 bottle contains 50 strips.Related products SpaGuard Spa Calcium Hardness Increaser $6.99 Select options SpaGuard PH Increaser $7.99 Select options Spa Frog Mineral Cartridge $32.99 Add to cart Spa Frog Jump Start $4.95 Read more