black volcanic 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 Rock For Landscaping
1. Volcanic stone has the function of water retention and ventilation, and can release minerals to meet the nutritional needs of plants. 2. Volcanic stone used in aquarium landscaping can soften hard water, improve the state of fish, and purify water to absorb oxygen. 3. Volcanic stone can be used for landscaping and landscape laying, which can beautify the environment and set off the color of plants.
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