Sunsun 500g Hollow Quartz Balls Media Aquarium Fish Tank Pond Filter Water Tests & Treatments It is easy to use

It is easy to use

1x Straight Scissors

10 pcs / Set

3m 16/20/25mm 2

Whole set of European pine and rocks fish tank decoration set in one package

Sunsun 500g Hollow Quartz Balls Media Aquarium Fish Tank Pond Filter Water Tests & Treatments It is easy to useProduct Description: The hollow quartz spheres are made by mixing high quality quartz, kaolin, and other materials, then sintered at high temperatures. The hollow structure of this product accelerates the reproduction of anaerobic bacteria. The numerous micropores can adsorb harmful substances in the water and fine residues that the filtration system cannot filter, helping to maintain long lasting cleanliness in the tank. It also helps stabilize the