Add useful purifying bacteria to your aquarium water to keep the water crystal clear and ensure that pollutants are broken down quickly and safely. Shake the vial, open it and add the contents to your aquarium - done!
For product information and other interesting facts about the bacteria in the vial, click here: JBL PROCLEAN BAC
You can find out more about beneficial bacteria in aquariums in the JBL Themeworld: Fase bacteriana de ciclado