Poly-Filter is a real asset in the fight to achieve the best water quality and sparkling clarity in your aquarium.
There are many chemical products that can build up in the aquarium water over time, as well as some pollutants potentially present in tap water. Poly-Filter will remove all of these chemicals including:
Proteins and Amino Acids
Nitrite, Nitrate and Ammonia
Phosphates (the principal cause of algae in the aquarium)