Specially formulated for promoting fish health. Provides a natural pond ecosystem, resulting in better overall fish health and improved water quality. For use with all ornamental, cold water, temperate, cyprinids, native and wild species. Size is 1 Quart. Dimensions are 4 X 4 X 7.5 Nitrobacter And Nitrosomona. Compatible With All Pond Flora. UPC Code = 097121993458