Description

Bio-Balls Happy Fins Aquarium Fish Tank Filter Filtration, 100 Pieces, 16mm (Black)

Filtering principle of bio-ball this is a super inside, it can not only provides the maximum surface area for nitrifying bacteria growing, but also increase gas interchange and upgrade oxygen level in the water. It is suitable for freshwater and saltwater aquarium.

• Aquarium fish tank filter filtration
• Filtering principle of bio-ball this is a super inside, it can not only provides the maximum surface area for nitrifying bacteria growing, but also increase gas interchange and upgrade oxygen level in the water
• It is suitable for freshwater and saltwater aquarium