Features: 1. **3-in-1 Testing Capability**: Our test strips provide simultaneous readings for chlorine, pH, and alkalinity, ensuring comprehensive water quality analysis in one easy step. 2. **Accurate & Reliable Results**: Formulated with high-quality adhesive and stabilizer, these strips deliver precise and dependable results for your swimming pool maintenance. 3. **User-Friendly Design**: Simply immerse the strip in water for 1-2 seconds, then compare the colors to the included chart for quick and easy readings. 4. **Fast & Convenient**: Get instant results without the need for complicated equipment; perfect for busy pool owners who want to maintain optimal water conditions. 5. **Durable & Long-Lasting**: Each pack contains multiple strips, ensuring you have plenty on hand for regular testing, keeping your pool safe and enjoyable all season long. Our swimming pool three-in-one pH test paper is carefully formulated with adhesive and stabilizer. Designed specifically to ensure the accuracy and reliability of the test results. The usage method is extremely convenient: Make sure your hands are clean and dry, take out the test strip, fully immerse the test strip in the water to be tested, soak for 1-2 seconds, then take it out and read the test results according to the color comparison table. And it can simultaneously detect multiple chemical components, including chlorine, pH value and total alkalinity.