UltraFast Bio Active

It promotes the establishment of aerobic bacterial strains that transform nitrites and ammonia (derived from the natural functions of fish and the degradation of organic substances) into less toxic nitrates.
Recommended dosage: to start a new aquarium:

• 1st day: 10 ml (equal to 2 caps) for every 10 litres of water

• 2nd day: 5 ml (equal to one cap) for every 10 litres of water

For each subsequent water change and as a weekly maintenance dose: 5 ml (equal to 1 cap) for every 40 l of water

After using medications and/or adding new fish: 5 ml (equal to 1 capful) per 40 l of water