Bio-Dex Protect-All Supreme PAO32 Contains no Phosphonic Acid Super Concentrated One quart treats 20,000 gallons. Maintenance dose: 3-4 oz. per 20,000 gallons weekly or 12 oz monthly. Controls swimming swimming pool stain, scale, calcium, rust and corrosion. •This product will not add phosphates to the water. •Raise water, apply product, remove scale in 48 hours. •Removes and prevents stain and scale. •Controls metal including iron, rust and corrosion problems. •Helps to stabilize PH. •Completely stable and highly effective. •Removes stains as shown in the pictures below

Applied Biochemists Staintrine 406704 Staintrine No Testing Required! This dual-action formula is a stain-remover and sequestering agent in one. The easy-to-use formula can be applied without draining swimming pool water and swimming can resume immediately after treatment. Features:Quickly removes most stainsProfessional strength formulaPrevents colored water Prevents scale buildup on filters, pumps and piping. Applications:Removal of stains and scale:Apply 16 oz. of Staintrine per 10,000 gallons of swimming pool water capacity as close to the affected area as possible. Size……….32 ounces Tips: Follow Staintrine treatment with weekly doses of Resist. Resist prevents metals and minerals from staining swimming pool surfaces. Compatible With: Chlorine, bromine, biguanide and salt water sanitizing systems.

EasyCare Startup Tec 70064 •Eliminates most surface plaster dust (scale) formation. •Superior control of calcium and mineral scaling. •Significantly reduces surface brushing and acid useage. •Prevents surface mottling and staining. •Advanced multi-polymer formula . . . no phosphates, no acids, no testing. •Will not etch or degrade surface finish. •Provides months of scale and stain protection. •Swimmers can use swimming pool immediately

SeaKlear Stain Klear 1110016 SeaKlear Stain Klear removes unsightly stains from any swimming pool surface. Treat your swimming pool’s most difficult and stubborn metal stains with the most effective and powerful metal stain remover. • Aids in removing brown, gray and black stains • Effectively lifts and removes metal stains • Remover iron, copper and manganese stains • Use with plaster swimming pools