AQUANEAT Bio Ball Filter Media for Freshwater Aquarium and Marine Fish Tank Sump • Canister Filter • HOB Filter…

Amazon.com Price: $20.99 (as of 09/04/2023 02:14 PST- Details) & FREE Shipping.

Highly porous structure allows beneficial bacteria to develop quickly and produces both mechanical and biological filtration. Suitable for both freshwater and saltwater filters
The bacteria house is rich in tourmaline, which emits FAR infrared rays allowing more oxygen to be dissolved in the water
Size of bacteria house ball: 3/4″x3/4″ (20mmx20mm)

In Stock.