Features:Essential tool for quick and accurate readings of ph & chlorine as chlorine is the most commonly used disinfectant for water by killing bacteria,algae and microorganismsBest for keeping your pool or spa within the 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 pool and spa: 1.2 to 1.7ppm and 7.2 to 7.8ph for PH Level for pool and spaLight weight and easy to carry, No chemical agent need and easy maintenance. Keep your pool/spa water safe, comfortable and corriosion-free. Specification:Product Name: Water Quality TesterSize: 190x20mmPowered By: 1 x AA Battery (Not Included) Package including1 pcs water quality tester