Spa Choice 472-3-3001-04 Brominating Tabs for Spas and Hot Tubs (4 Pack)， 1.5 lb<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sanitizer for Spas and Hot Tubs</li><li>Bromine is an alternative to chlorine as a way to sanitize spa or hot tub water</li><li>Bromine does not give off much of an odor compared to chlorine</li><li>Bromine yields silky smooth water</li><li>Downloadable User Guide Available Under Product Information: Technical Specifications</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51XEvf8A1WL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51e7TQ1cmDL.jpg" noproxy>