Suitable for professionals and enthusiasts in the fields of aquaculture, scientific research, and water analysis User friendly designs and easy battery replacement make this water tester a must have for anyone involved in water Versatile tool for various water testing needs, such as drinking water analysis, swimming pool maintenance, and laboratory experiments Portable and accurate water tester for measurement and temperature Conveniently measure water, at home, in a pool, or in lab with this compact and tester, Manufacturer: sodeber