Fast, accurate and easy to test! - Enjoy the accuracy of a liquid testing kit and the ease of a single dip. Easily compare your results in under with our non-fading waterproof color chart!14-IN-1 COMPLETE CHEMICAL TESTING - Test total alkalinity, pH, hardness, lead, copper, iron, mercury, chromium\/chromium (VI), bromine, nitrate, nitrite, residual chlorine, fluoride, sulfite.These 14 tests provide extensive information for keeping your pool water balanced and crystal clear.Health: Test strips are used for drinking water, faucets, well water, water tanks and quality test. Use professional drinking water test strips to check health conditions to test water quality standards.Easy to use: Dip the drinking water test paper into the water for 5 seconds keep it in the air for about and then adjust the color of the back of the bottle to get the reading Even for beginners drinking water test strips are easy to use.Environmental protection: The water quality should be checked weekly. The bottle is also easy to carry. The test strips are used for pool, spa, hot tub water quality test, drinking water, aquariums, industrial water, ponds you can be of maintaining the right amount of chemicals in your pool, thereby avoid health problems and device damageMaterial:papercolour:As shownPackage Contents:50 x test stripsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.