AquaChek® 561682A AquaChek® 3-In-1 Test Strip; Potassium Monopersulfate/pH/Total Alkalinity Testing, 50 Strips/Bottle
Monopersulfate (MPS) is an oxidizing agent used in mineral purification systems such as Frog®, SpaFrog®, Nature2®, PoolRx™, or SpaRx™*. Monopersulfate can also be used as an oxidizer for brominated pools and spas. To keep you spa water clean and healthy,