Waterlife bacterlife is an excellent concentrated friendly bacteria for maturing and maintaining all aquariums. Use weekly, it will break down fish waste, reduce ammonia and sludge levels helping to keep the aquarium clean.. The natural weekly cleaning treatment.. Oxidises ammonia, nitrite and digests sludge.. Blend of essential nitrifying and sludge-digesting bacteria.. These helpful bacteria aid the break down of fish waste, uneaten food and plant debris.. Increases the bacterial count of existing filtration.. Inhibits ’new tank syndrome’.. Size. 100Ml up to 1000 litres. 250Ml up to 2500 litres. 500Ml up to 2500 litres. 1Litre up to 2500 litres