20Pcs Aquarium Pond Bio Balls 16mm Fish Tank Filter Media Marine Sum(16mm) Water Quality Stabilizer

20Pcs Aquarium Pond Bio Balls 16mm Fish Tank Filter Media Marine Sum(16mm) Water Quality Stabilizer  Description:

100% Brand New, High Quality.

The bio-sponge inside provide more surface area for growth of beneficial Bio-Spira bacteria

BIO-Balls do not require replacement unless damaged or destroyed

In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired Specification:

Diameter of bio ball: 16mm Note:

There may be 1-3mm of size deviation due to manual measurement.

There may be a little color difference due to display pixel and light. Package Included:

20 x Bio Ball