Natural Chemistry Spa Perfect - 2Liter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Natural enzyme product; biodegrades organic contaminants to reduce maintenance， prevent scum lines， eliminate chemical odors and produce clear water</li><li>Helps prevent that ugly water-line ring and tedious soaking and scrubbing of cartridge filters</li><li>100 percent biodegradable</li><li>5 Ounce per 500 gallons weekly， or more often for heavy bather loads</li><li>Break down organic waste to basic elements like carbon dioxide and water， which are easily absorbed by the spa/hot tub environment</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2B5isKa7nL.jpg" noproxy>