Suitable for fresh water- salt water fish tank. To fully exert biological filtration capacity of law porous filter ring. This product is mix made of the softy active carbon and ceramic. Chemically stable- fully in line with the original micro-organisms living chemical environment. High permeability- which can be aerobic nitrification and anaerobic denitrification- to make the water more stable- is the best biological filter material. |
Weight | N/A |
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Size | 150g, 300g, 500g, 1kg |
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