PondCare ACCU-CLEAR 64OZAccu Clear quickly clears cloudy pond water by causing tiny suspended particles of dirt and debris to clump together, forming larger particles that fall to the bottom of the pond and are siphoned out or removed by the pond filter. Quickly clears cloudy pond water Causes suspended debris to clump, forming larger particles that fall to the bottom of the pond. Safe for fish and plants 64 ounce bottle treats up to 19,200 gallons