HASA 83121 Hi-Temp Spa Stain-Out， Pint<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Prevents and removes spa surface stains caused by metallic ions and scale</li><li>May be used in fiberglass， vinyl， plaster， tile， or acrylic spas</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41l2oSHwEyL.jpg" noproxy>