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SIPORAX POND BIO RINGS 25mm FOR MARINE TANK, POND, SUMPS BIOLOGICAL FILTER MEDIA

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Sera siporax 25 mm. sera siporax pond is a fully biological filter material for almost all garden pond filters. There are oxygen-poor conditions within the tunnels. This makes the bacteria crack nitra...
Condition:New
Time left:27d 3h 39m
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