Filter Media Power Ball 3L Filter Media Balls Filter Media Natto Bacteria Included Porous Power Ball Immediate Shipping Free Shipping

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Please choose porous filter media to promote bacterial growth. Ceramic filter media is not recommended.
This is a Taiwanese-made porous natto-bacterium power ball filter media that can be used in hang-on-back filters, external filters, etc., and is compatible with both freshwater and saltwater.
It is harder than normal filter media and lasts longer.
It is said to be a 3LDK (a spacious apartment) for bacteria.
Fired at high temperatures. It is packed with a rich variety of natural elements, essential minerals, and trace elements, promoting the growth of biological colonies and retaining a large amount of high-quality bacteria. It will greatly help restore natural water quality and provide the optimal living environment for your fish.
Suitable for freshwater and saltwater tanks. Reduces ammonia and nitrate levels.
When using, there is powder on the surface, so please rinse lightly with water before use. Do not rub or wash vigorously, as the balls are not breakable and friction may cause more powder to come off.