[ Reagent bearing test strips for testing swimming pool water, Test strips for testing and controlling the pH, alkalinity, chlorine or bromine concentration in swimming pool water; Balancers for adjusting and buffering pH, total alkalinity and hardness of swimming pool water; Chemical test kits for testing chlorine, pH, acidity, alkalinity and cyanuric acid in swimming pools, namely, test cells with color standards and chemicals in bottles; Clarifiers to floc particles suspended in swimming p...