100g 250g 500g Aquarium Fish Tank Filter Media Hollow Particles Biological Ball Bio filter for Aquarium Accessories

100g Hollow Biochemical Ball Filter Media Nitrifying Bacteria House Aquarium Filter Accessories For Fish Tank Water Cleaning

Features:

1, From Hollow Particles

2, Full of rich variety of natural elements and essential minerals and trace elements.

3, PH Neutral. Great help to restore the natural water quality, and provide the most suitable living environment for your fishes.

4, Won't dirt water, absorb ammonia, and other toxic substances in water.

5, Hollow design, porous and will be good for Microbial reproduction.

6, Long life time. The little holes are not easy to be blocked.

Specification:

Material: Hollow Particles

Color: Red

Diameter: about 1cm

Including:

100g Bio Balls Filter Media Hollow Particles Aquarium Filter.