SeaKlear Professional Strength Stain Prevention and Remover, 1-Quart
This stain treatment solution effectively removes stains from iron, copper and other metals. Prevents further stains from occurring. Used for metallic stain removal and prevention and hard water scaling. Use when starting up a plaster pool, controls plaster dust. Most effective metal stain prevention and removal product. Prevents and removes stains and scale in vinyl, fiberglass and plaster pools. Made in the United States.