UltraClear® Filter Start Beneficial Bacteria, 16oz The Pond Digger There are several different configurations

There are several different configurations available on this page: Standard Arbor

Will not harm live plants or fish

They are cross-compatible

fish and aquatic plants

UltraClear® Filter Start Beneficial Bacteria, 16oz The Pond Digger There are several different configurationsUltraClear Filter Start is a super concentrated mixture of natural garden bacteria that work together to consume all typical pond wastes! Instead of waiting weeks for your biological filter to slowly develop an effective biomass, give it a jump start with Filter Start! Includes: Nitrifying bacteria that oxidize toxic ammonia and nitrite to relatively non toxic nitrate Denitrifying bacteria that convert nitrates to completely harmless nitrogen gas