Ecological Labs SEL21044 Microbe-Lift Turtle Bacterial Water Balancer, 4-Ounce Bacterial Water Balancer Introduces Millions Of Beneficial Bacteria Into Aquarium Ecosystem Natural, Non-Pathogenic And Will Reduce The Organic Waste That Turtles Release Feature provides rapid reduction of organic waste Helps To Reduce Or Eliminate Pathogenic Bacteria And Clean Power Filters, Tank Maintenance And Turtle Loss This Product Weighs 4-Ounce