100g White Aquarium Filter Bio Pellets Filter Media Nitrifying Bacteria House Aquarium Filter Accessories For Fish Tank Water Cleaning

Features:

1. Made of Ceramic.
2. It doesn't contain N, P.
3. Bio pellets are used for tanks which raise a lot of animals and feed frequently.  It can help control the content of Nitrate & Phosphate in an aquarium system.
4. It needs a effective Protein Skimmer when using it. And can't run it with an Ozone Reactor or UV light. 
5. It is better to use Bio pellets in a Bio Pellets Reactor which designed special for it.

Including:
100g Aquarium Filter. Bio Pellets