Pool Mate 1-Quart 12-Pack Concentrated Metal Out Stain and Mineral Inhibitor, Pool Metal Remover, Stain Remover, Made in USA

• 1 quart per 10,000 gallons of water
• Helps remove and prevent calcium, cobalt, copper, iron, lead, manganese, nickel and silver
• This product helps prevent discoloration of pool water due to iron, calcium, manganese, copper and other metals and minerals which may be present in the water supply
• This product is an excellent general purpose sequestrant which helps protect plumbing and pool walls from rust, stain and scale
• It should be used for all pool openings and closings and throughout the season as needed