Clean Start<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Works in 30 minutes or less.</li><li>Clean Start purges the plumbing system and hot tub accessories to clean away organic deposits in your spa pump and lines.</li><li>Strongest Formula - Guaranteed</li><li>This concentrated liquid formula is specially blended to work with water of all hardness levels and is designed to deep clean the spa pipes， jets and plumbing equipment.</li><li>Pre-measured: 1 bottle/1 dose</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wTMe-8OLL.jpg" noproxy>