PuriTech Stabilizer Conditioner Cyanuric Acid UV Protection for Swimming Pools and Spas (25lbs)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>100% Cyanuric Acid</li><li>UV Protection for Swimming Pools &amp; Spas</li><li>Protects your chlorine levels from the sun</li><li>Raises Pool or Spa CYA Level</li><li>Improves the effectiveness of chlorine</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5169b2bR-pL.jpg" noproxy>