Metal Gon from Leisure Time sequesters iron, copper and other minerals that get into your spa or hot tub water and prevents staining of spa surfaces. A highly concentrated formula, this hot tub chemical treatment only needs to be added when you start up your spa at the beginning of the season, lasting a very long time. About the Brand: Leisure Time was developed for use in spas, hot tubs, and jacuzzies. Our water care products are both economical and powerful enough for the toughest jobs. Within Leisure Time’s wide selection of products, we offer everything from algaecides and deposit control formulas to non-chlorine shock treatments, powerful surface cleaners, clarifiers, enzyme-based cleaners, and more. If you like using Leisure Time, check out some of the other similar brands from our parent company, Sigura. Sigura’s water treatment brands include Applied Biochemists, HTH, GLB, Spa Selections, and PooLife. They have a long heritage and more than a century of experience in developing innovative water treatment solutions for use in pools, lakes, ponds, hot tubs, and more. We’re dedicated to providing groundbreaking solutions to our customers - from rural landowners with ponds to complex drinking water systems used in residential areas. As a company, Sigura is one of the world’s leading and most-trusted suppliers to the pharmaceutical, biotech, and specialty ingredients markets. Sigura harnesses science and technology to create products that support safer and healthier living to enhance the overall quality of life.