Natural Color Filter Volcanic Stone - 250 g

• Brand: Natural Color
• Filter Volcanic Stone
• Size: 250 g

Filter Volcanic Stone is mined in the pure natural active volcanic area, refined by high-tech processing procedures, with high density porous penetration structure, long service life, not easy to block. it can soften the water quality, remove the residue and dirt visible to the naked eye in the aquarium, especially for ammonia, nitrogen, nitrite, organic matter and other harmful components invisible to the naked eye in water, decomposition and other pollution-free treatment. its special structure provides a high-quality place for nitrocobacteria and microbial reproduction, and can quickly culture nitrification bacteria in order to improve water quality, so that the water in the fish tank for a long time to maintain a clear and bright. because this product contains a lot of potassium, suitable for the growth conditions of water grass, can also be used as the base sand for the cultivation of water grass.