Chemical test paper; Chemical analysis kit for testing swimming pool water; Reagent paper other than for medical purposes; Diagnostic reagents and preparations, except for medical or veterinary use; Reagent bearing test strips for testing swimming pool water; Colorimetric surface swab to indicate presence of chemical or biological substance; Chemical preparations for testing swimming pool water; Test paper, chemical; Reagents for testing water, other than for medical or veterinary use; Chemic...