HTH 1174 Multi-Purpose 6-Way Test Strips<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The hth multi-purpose 6-way test strips will test for free available chlorine， bromine， pH， total alkalinity， total hardness and cyanuric acid stabilizer</li><li>These are the readings that will help you keep your pool clean</li><li>Contains 30 strips. Tests for free available chlorine， bromine， pH， total alkalinity， total hardness and cyanuric acid stabilizer FREE Water Analysis using the Test to Swim trade; Website/Station/App</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SUKuiyMnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5177YlYuO%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5154Mif0B3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bELFvh4LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zNlLQCRPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51GReOGMJ4L.jpg" noproxy>