Aquarium Water Purifying Additives
Sera filter biostart be used in directly new aquarium filters and after cleaning the filter- Freshwater & Saltwater Aquarium.
Beaks down ammonium and nitrite, removes pollutants and reduce water change frequency up to months.
Product is made from selected enzymes with the capacity to trap ammonia and nitrate to maintain pristine aquarium water.
For reducing bad odors,use weekly 5 ml for 200 L water.