Features:Essential tool for fast and accurate pH and chlorine readings as chlorine is the most commonly used sanitizer for water by killing bacteria, algae and microorganismsIdeal for keeping your pool or spa within safe chlorine and pH ranges, no more chemicals.An electro-tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sourcesRecommended chlorine level for swimming pool and spa: 1.2-1.7 ppm and 7.2-7.8 ph for pH level for swimming pool and spa.Lightweight and easy to carry, no need for chemical agent and easy maintenance. Keep your pool/spa water safe, comfortable and corrosion-free.Specification:Product Name: Water Quality Tester.Size: 15 x 7 x 20 cmMaterial: PlasticPowered by: 1 AA battery (Not included)Recommended for pools and spas: Chlorine 1.2-1.7 ppm, pH 7.2-7.8Includes: 1 x pH and Cl2 tester with probe1 x manual1 x sandpaper,"