Seachem Pristine aquarium water cleaner

Pristine provides bacteria that destroy excess food, waste and detritus in freshwater and saltwater aquariums. It uses a natural, non-chemical method - bioaugmentation - to improve water quality. By breaking down sludge and detritus, it reduces the build-up of nitrates, nitrites and ammonia, reduces the risk of algae growth, increases water clarity, and therefore promotes the overall health of the aquarium and its fish. The bonus of this product is its long shelf life, up to 4 years from date of manufacture. Instructions: Shake well before use. Turn off UV/ozone. Use 1 capful (5ml) for 40L. Then use a maintenance dose of 1 capful (5ml) per 80L. Antibiotics should be removed with activated carbon and a water change before adding bacteria. Wait 2 or 3 days for bacteria to establish themselves before using UV sterilizers orozone. Recurrent use of the product may indicate aquarium overcrowding, overfeeding or filtration unsuitable for the aquarium.