Chemical analysis kit for testing swimming pool water; Chemical reagents for non-medical purposes; Chemical reagents for non-medical purposes, namely, for use in evaluating detect bacteria, nutrients, physical properties, metals, insecticides, herbicides, and other organic pollutants and pollutants in water; Chemical reagents, other than for medical or veterinary purposes; Chemical test paper; Colorimetric surface swab to indicate presence of chemical or biological substance; Diagnostic reagents and preparations, except for medical or veterinary use; Diagnostic reagents for scientific or research use; Reagents for scientific and research use; Reagents for testing drinking water, pools, and spas, other than for medical or veterinary use; Water treatment chemicals for use in swimming pools and spas