Pool test reagent — designed for long-term use with pH test fluid, delivering reliable pH measurements for pool water. pH test fluid — versatile and widely used for swimming pools, spas and other industries; essential for maintaining balanced water chemistry. Swimming pool reagent — compact and convenient to carry; a portable pH test liquid for on-site checks and quick yard or cabana tests. Spa water test — quickly tests pH value, residual level, total alkalinity and total hardness in spa water using a colorimetric method; includes pH test liquid. Key benefits - Accurate, colorimetric pH testing for easy interpretation and quick decisions. - Compact, portable components designed for on-site use and mobile maintenance. - Broad compatibility with pools, spas and spa water systems. - Long-lasting reagents suitable for regular, routine testing to protect equipment and user comfort. Typical use scenarios - Home pool maintenance: weekly checks of pH and alkalinity to prevent corrosion, scaling and irritation. - Spa or hot tub care: fast on-site testing before use to ensure safe and comfortable water conditions. - Mobile pool service: technicians carry compact test reagents to client sites for quick documentation and adjustment of water balance.