Natural Chemistry is an Citric acid based product, so it is a lot like Vitamin C for your pool. It is ideal for treating stains on vinyl pool liners and fiberglass pool surfaces. This all natural formula does not create any residual phosphates in your pool water. Dosage: 1 pound per 10,000 gallons

Product Features

• Use with Natural Chemistry’s Metal-Free for the ultimate stain-fighting combination
• Citric acid product ideal for treating stains to vinyl liner and fiberglass pool surfaces
• Recommended Dosage is 1 pound per 10,000 gallons; does not create any residual phosphates in your pool water