YEE Rubik Cube Water Purification Multiple Mesh Structure Microbial Culture Medium Filter Media for Aquarium Fish Tank (260 G)

This product combines the double structure of biochemical Rubik's cube and biochemical cotton block, with multiple plastic skeleton, can provide a huge surface area for the growth of nitrifying bacteria, but also can promote the exchange of air in water to improve the dis- solved oxygen in water. Eliminate harmful heavy metal elements in water, purify water quality, maintain the balance state in aquatic animals.

• ✔Multi Mesh Structure
• ✔Performance Stability
• ✔Purifying Water Quality