Juwel BioBoost Filter Media for Aquariums activates new filter media immediately, accelerating filtration performance in your aquarium. It improves the health of fish and plants. When placed beneath the filter floss, BioBoost releases over one billion microorganisms in a very short period of time, ensuring crystal-clear water in the aquarium. To maintain ideal water conditions in your aquarium, replace the BioBoost every four weeks. A well-known institute constantly monitors the effectiveness and quality of the microorganisms. JUWEL BioBoost is suitable for freshwater aquariums up to 500 litres in size.
