Pool First Aid™ clears cloudy pools fast! Pool First Aid™ combines our powerful SMARTZyme™ technology with a clarifier to fix pool problems quickly. Cleans pool of dead algae pollen, oils, spills, anti-freeze residue , paint, vandalism and other forms of non-living organic water contamination. Frees clogged filters of oil and other forms of non-living organic buildup. Removes dead algae quickly and efficiently, in many cases without the need to backwash.