House Brand Hollow Bio Ball Filter Media

Average size 1cm each bead, perfect for small filtration

Higher porosity compare to conventional ceramic / glass type. Hollow design promotes anaerobic bacteria growth for optimum denitrification process.

Offer the perfect home for the beneficial bacteria in your aquarium. For freshwater or saltwater aquariums.Rinse before use.

Cermaic balls work as biological filter media & give a home for beneficial bacteria where they can be settled and be fed by oxygenated water.