JBL FilterBoost (Bacteria Booster)Bacteria to enhance the filter performance for freshwater and saltwater aquariums, granulate. Fish and invertebrates need to feel as much at home in the aquarium as in the wild Transform your aquarium water into biotope like water to protect your aquarium dwellers. FilterBoost promotes the breakdown of organic sediments, reduces the slime formation and prolongs the filter cleaning intervals. Optimises the filter performance and prolongs the intervals