Natural Chemistry 04013 Spa Clear， 16-Ounce<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Natural Chemistry spa clear is a chitosan based clarifier made from recycled crab shells</li><li>Highly concentrated natural formula; impossible to overdose</li><li>Very effective with high sanitizer levels</li><li>Can use in dosage as 1-ounce per 200 gallons for standard rate and 2-ounce per 100 gallons for cloudy water rate</li><li>Comes in 16-ounce container</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kPqqn-G0L.jpg" noproxy>