Filter Media ~ Ceramic Nano Technology Flower Ring ~ Nano Perumah Bakteria ~ 彩色纳米硝化细菌屋

* Culture of nitrifying bacteria.
* Durable and not easily powdered.
* Stabilize the PH value of fish tank.
* Purify water and resist algae growth.
* Scientific mix, makes better filtering effect.
* Applicable scope: top filter box, filter cartridge, external filter, hang on back filter

*Please rinse with water before use*

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