Metal Control prevents pool staining and scale formation caused by metallics
such as iron, calcium, manganese, and magnesium in the water supply. It
sequesters these stain and scale causing agents and holds them in solution to
prevent the associated problems. Also effective in countering the effects of hard water
and well water. Super-concentrated formula.
Guaranteed performance!
You cannot buy fresher or better quality
pool chemicals at any price. Package includes complete instructions.
Product notes: Contains phosphonic acid. Complete directions
included on package.