This paragraph is made by high temperature sintering. Can quickly exert the ability of cultivating bacteria in filtration. Reduce the frequency of changing water in the fish tank and have a long service life! A large number of micropores provide suitable breeding places for nitrifying bacteria It is made by high-temperature sintering, containing various minerals and trace elements, and can adsorb and remove harmful substances in water; Stable water quality, porous and strong permeability, accelerating the cultivation speed of nitrifying bacteria.

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