Yamibobo Aquarium Filter Media Bio Balls Ceramic Rings Set, 12 in 1 Media, Bacteria House for Fish Tank and Pond, Accessories 500g/1.1lb

▶12-in-1: 12 Kinds of filter media mixed, including activated carbon, bio balls, ceramic rings, volcanic rock, etc. Aquarium filter media set combines with a variety of filter materials, scientific and effective mixing ratio, makes fish tank filter works better. ▶2 Stages Filtration: Effectively absorbs particles and debris. It supports bio and chemical filtration to fix the water turbid problem, and stabilize the PH value, which leaves the fish tank water clear and healthy. It helps create a healthy environment for your fish. ▶Bacteria House: Bio balls ceramic rings provide nice home for beneficial bacteria, encourages growth of biological colonies and holds a lot of benificial bacteria, which will create the most suitable living environment for your fish. ▶Wide Use: Fits for the hang-on filter, power filter, canister filter, etc. And they can be used in ponds, freshwater fish tanks, saltwater aquariums, fish hatcheries, and much more. ▶Long Using Life: Aquarium bio filter is excellent interaction between air and water and gas exchange. It is recomended that change the filter media evert 6 months.