Spa Metal Stain Preventer clears rusty iron, green copper, brown, black minerals and cloudy water precipitates. Prevents mineral stains, corrosion, metallic odor. Essential for well water.

• Neutralizes unwanted dissolved metals
• Single dose when filling hot tub
• (6) 16 oz. bottles

Product notes: Guaranteed to equal or outperform Leisure Time Metal Gon, Spa Choice Metal Free. Shelf life indefinite.