Oyster Institute Oyster Institute Oyster Institute WHAT CAN A MILLION OYSTERS DO To attract the fish clean the water and protect our lifestyles what 10 oysters did in one hour If one single oyster can filter a swimming pool of water in a year With your help we can put 1000000 oysters under the docks and on the canals walls of our homes And filter 1000000 swimming pools a year. MILLION OYSTER Partnership Clean filter our water Protect against Harmful Algal Blooms Provide habitat for the fish As filter feeders oysters significantly enhance water quality by removing excess nutrients such as nitrogen and phosphorus key pollutants in aquatic environments. They achieve this through assimilation and denitrification processes. In assimilation oysters consume algae incorporating nutrients into their tissues and shells.