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PORO RING 1L 15X15mm

81312

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PORO RING biological filter medium.

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€ 11.99

€ 11.99

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PORO RING

PORO RING biological filter medium. A high quality filter medium in the form of porous ceramic rings whose shape ensures good water-flow and hence an adequate supply of oxygen and nutrients to the biofilter. The effective surface area of Poro Ring M is 600 m2/l by virtue of the complex network of pores, through which water can flow freely, carrying essential oxygen and nutrients to the nitrifying bacteria. The porous structure of Poro Ring M provides an excellent substrate for colonisation by these bacteria, which convert ammonium ions (NH4+) and nitrite (NO2-) (both dangerous to fish) into relatively harmless nitrate (NO3-).

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