- Quick and accurate 2 in 1 digital tester for pH and chlorine, suitable for swimming pool water, spa, hot spring, hot tub, and similar environments. Recommended levels: pH 7.2–7.8, chlorine 1.2–1.7 ppm. - Measures chlorine from 0.2 ppm to 3.0 ppm and pH from 5.5 to 9.0 pH, with an easy switch between testing modes. - Automatic temperature compensation for higher measurement accuracy; the probe can be dipped directly into the tested water for faster, more reliable results. - Large, clear analog dial with color-coded zones; readings are more intuitive after 4–5 seconds of stabilization. - Compact and lightweight hot tub PH CL2 meter with a dedicated slot to place the probe, enabling easy storage and portability. - Use scenarios: - Home pool maintenance: perform routine checks before swimming to ensure pH and chlorine remain within recommended ranges. - Spa or hot tub care: quickly verify chemical levels after balancing treatments to maintain comfort and safety. - Travel and outdoor use: portable design makes it convenient to carry and test water at vacation properties, hotels with pools, or while visiting hot springs.