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Chemical test products, namely, chemical test papers, chemical indicators, chemical test kits, chemical indicator kits, pH indicator pencils, chemical buffers, buffer salts, buffer preservatives, dispensers sold with chemical test papers and as part of chemical test kits and chemical indicator kits, color charts sold with chemical test papers and as part of chemical test kits and chemical indicator kits, all of the foregoing for use in testing, detecting, identifying, measuring, and indicating levels of pH, of sanitizers, and of other substances, namely, water, ammonia, chlorine, iodine, quaternary ammonium chloride formulations and buffer salts