King British Filter Aid+ is a rich-source of friendly-microbes that will help you maintain better water quality. A weekly addition to your aquarium water will reduce harmful ammonia & nitrite, making the water safer for your fish. Regular use improves the development of the biological filter for clean, clear water.
Use during aquarium set up, regular water changes and following the use of other treatments or medicines. For use in coldwater, tropical and marine aquariums.
One 100ml bottle will enrich up to 900 litres.