Natural Chemistry Pool First Aid 2 L Clears cloudy pools fast with SMARTZyme™ enzyme & clarifier; tackles dead algae, oils, pollen, and non-living contaminants. Features SMARTZyme™ enzyme blend plus clarifier clears contaminants rapidly Eliminates dead algae, oil, pollen, paint, antifreeze residue Restores filter performance—often avoids backwashing Compatible with all sanitizer systems (chlorine, salt, Baquacil, Pristine Blue) One cap treats 2,000 gal; use every two days until clear; avoid shocking for 48 h Description Pool First Aid delivers fast, performance-driven cleanup. Its concentrated SMARTZyme™ enzyme plus clarifier targets and breaks down non-living contaminants—dead algae, oils, pollen, paint, antifreeze, and more—restoring clarity without labor-intensive scrubbing or frequent backwashing. Compatible with all sanitizer systems, it’s a powerful, no-nonsense solution when time and water quality matter most. Pro Tip Apply when sanitizer is below 5 ppm and avoid shocking for 48 hours to maximize enzyme action. Pair with Pool Perfect Max With Phosfree | 15301NCM for ongoing phosphate control. Installation Tips Use only in properly balanced water; apply when sanitizer is below 5 ppm and avoid concurrent use of clarifiers or algaecides for 24 h to prevent interference.