Product details:

General - Rescues Pool Water Fastrids Pools Of Scum Build-Up, Waterline Ring, Cloudy Water, Clogging Filters And Chemical Odors With Absolutely No Scrubbing. It Also Includes Electrolyte Polymer Clarifier For Quicker Results. Pool First Aid Will Quickly Free Clogged Filters Of Oils And Organic Build-Up. No Other Product Will Remove Dead Algae More Quickly And Efficiently. In Most Cases, No Back Washing Is Required. Bottle Includes A Measuring Cap. 2L Treats 33,000 Gallons. Recommended Dosage: One Cap Full Per/2000 Gallons. Manufactured By Natural Chemistry.