AquaChek 562249 Swimming Pool Spa Peroxide Alkalinity pH Test Strips - 25 Strips<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Peroxide clarifies pool water by oxidizing organic contaminants. Maintain proper levels to ensure water that’s clean and healthy.</li><li>Easy to use and maintain your swimming pool or spa</li><li>Takes about 15-30 seconds to show results</li><li>A must for a swimming pool or spa owners!</li><li>Peroxide</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41aZs4npQoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zxxtlnCvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414dEaexxRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/615zSYdE6CL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oRSSuBqLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ZxzcQlGqL.jpg" noproxy>