PH pool tester BESTWAY 58142 Keeping the pool clean is not only about comfort, but also hygiene. This tester will allow you to easily and conveniently check the most important water parameters in your pool.TRIPLE-FUNCTION - allows you to check the pH level, chlorine level and alkalinity of the water.EASY TO USE - just dip in water and check the results on the scale attached to the package.HANDY PACKAGING - closing in an airtight container means that the moisture-sensitive tests remain dry.IMMEDIATE RESULT - the test can be performed in a few seconds.dimensions (height / width): 9.5 / 3.5 cm package dimensions: 9.5 / 4.2 / 16 cm 50 strips included. Weight:kgSize of the package:9.5 cm x 16 cm x 4.5 cm