Chlorine; Flocculants; Bromine for chemical purposes; Enzyme stabilizers; Oxidizing agents; Scale removing preparations, other than for household purposes; Chemical analysis kit for testing swimming pool water; Chemical preparations for scientific purposes, other than for medical or veterinary use; Chemical preparations for testing swimming pool water; Chemical products for preventing scale; Chemical reagents, other than for medical or veterinary purposes; Chlorine for swimming pools; Environmental quality control fluid samples for calculating standards for testing and verifying the quality of water; Environmental quality control gas samples for calculating standards for testing and verifying the quality of water; Reagent bearing test strips for testing swimming pool water; Reagent paper, other than for medical or veterinary purposes; Reagents and substrates, namely, chemical compounds for use in patterning at nano scale or near nano scale; Shock treatment chemicals for use in swimming pools and spas; Water purifying chemicals for swimming pools; Water treatment chemicals for use in swimming pools and spas; Water treatment minerals for use in swimming pools and spas
Chemicals