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WATER QUALITY ASSURANCE By combining pH, total alkalinity and residual chlorine detection, this multifunctional device provides comprehensive water analysis for safety. PRECISION ANALYSIS Our water quality test papers provide high-precision analysis and ensure accurate detection of each test result. Easily monitor changes in water quality and make timely adjustments for optimal water quality. PORTABLE WATER QUALITY ANALYSIS Ensure your water is safe with our innovative test papers. Designed for easy transportation, test your water quality anytime, anywhere. MULTISCENARIO PRACTICALITY Whether for private or public swimming pools, hot tubs, aquariums or drinking water, our water quality test papers are versatile and ensure clean and safe water in any situation. Convenient Water Testing Achieve stable results effortlessly by submerging the test paper in water for a few seconds. Easy to follow instructions for hassle-free use are included. No expertise required. › See more product details; Product description Quickly understand accurate results without the need for specialist knowledge. Product specifications:50pcs Product size: 3.7 x 3.7 x 10 cm Product scenarios: residual chlorine, pH, total alkalinity Product list: 50 x water quality test papers; Product description Quickly understand accurate results without the need for specialist knowledge. Product specifications:50pcs Product size: 3.7 x 3.7 x 10 cm Product scenarios: residual chlorine, pH, total alkalinity Product list: 50 x water quality test papers; Quickly understand accurate results without the need for specialist knowledge. Product specifications:50pcs Product size: 3.7 x 3.7 x 10 cm Product scenarios: residual chlorine, pH, total alkalinity Product list: 50 x water quality test papers