Clorox Pool&amp;Spa 23006CLXCA Xtra Blue Chlorinating Granules 6-Pound<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>All purpose sanitizer， shock and algaecide</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51gwa8hcg7L.jpg" noproxy>