Spa Essentials 32131000 Chlorinating Concentrate Granules for Spas and Hot Tubs， 5-Pound<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Granular stabilized chlorinator</li><li>Fast acting</li><li>Quick dissolving</li><li>Acts as a sanitizer and an oxidizer; no need for two products</li><li>May be added directly to spa， no pre-dissolving needed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Q9qHlmDFL.jpg" noproxy>