Natural Chemistry Stainfree Extra Strength - 1.75 lb aquamax-aquamax-biturbo-aquamax-biturbo-rc and an extra heavy duty

and an extra heavy duty outer construction that resists concrete scuffs and tears

Cleaner Type Robotic Cord/Hose Length 55 ft Manufacturer Hayward Manufacturer Part # W3RC9990CUB Pool Type In Ground

Manufacturer Part # Y206050

Manufacturer Part # 564

Manufacturer Part # 350701

Natural Chemistry Stainfree Extra Strength - 1.75 lb aquamax-aquamax-biturbo-aquamax-biturbo-rc and an extra heavy dutyStainfree Extra Strength is an all natural stain remover that contains industrial strength ascorbic acid. It quickly removes metal staining without adding phosphates to your water. It is ideal for treating staining on all pool surfaces. Compatible With All sanitizing systems Dosage For Surface Staining: If the surface is stained, add 1 lb of Stainfree Extra Strength per 10,000 gallons as close to the stained area(s) as possible with the pump off