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Sintered bio-glass rings for the breakdown of pollutants.
• Biological breakdown of pollutants in fresh and saltwater aquariums: sintered bio-glass rings for the use in aquariums.
• Easy to use: insert bio-filter rings as second last filter stage.
• Intensive water clarifying thanks to biological filtering: microorganisms settle inside the filter material and break down pollutants.
• Extremely effective: conical tunnel pores and 5mm wall thickness create ideal surface of 1200 m_/L for beneficial microorganisms to settle.
Size: 450 g
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