pumice rock
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Biofiltration of Volcanic Rocks
1. The pores inside the volcanic rock are densely distributed, and the pores are the prerequisite for parasitic nitrifying bacteria. The ultra-microporous filtration is smooth and the oxygen content is increased. 2. The specific surface area of volcanic rock is large, which is conducive to the growth and reproduction of microorganisms on its surface and the formation of biofilm. Maintain a high microbial load. 3. The manufacturer sells volcanic stone directly, with good quality and favorable price, and there are two kinds of packaging, bagged and bulk.
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Red Volcanic Stone Fish Tank Filter Material
1. Volcanic stone is used as the bottom of the fish tank to run water, absorb bacteria, promote metabolism, and stabilize water quality. 2. The volcanic stone that has been simply polished has no sharp edges and corners, which will not cause damage to the fish. 3. The bright color of volcanic stone has a very good color-attracting effect on some high-quality ornamental fish.
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