Clear 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. Pool First Aid is a powerful pool problem solver that works very fast - often without scrubbing!