Test paper, chemical; Chemical preparations for testing swimming pool water; Chemical analysis kit for testing swimming pool water; Chemical test paper; pH paper, other than for medical or veterinary purposes; Research reagents for industrial use, namely, for food testing; Reagent bearing test strips for testing swimming pool water; Chemically-treated nonmedical test strips for test pool, spa, hot tub, aquarium and drinking water; Reagents for testing pool, spa, hot tub, aquarium and drinking...