Natural Chemistry Stain Free Swimming Pool Spa Cleaner - 1.75 lbs - 4 Pack

1.75 lbs per bottle 4-pack Chemical will not create any residual phosphates in your pool water For use with vinyl and fiberglass pool surfaces Note: Your chemical levels must be properly balanced before using Stain FreeTM Please click on the Instructions For Use above for details. Dosages: 1 lb. per 10,000 gallons