Glass Ceramic Bio Ring M - 5l ceramic cylinders. The cylindrical shape of the bio rings makes them the optimal filter material especially for bio filters (sump type) and large filters (canister type).
Due to the particularly large surface area for bacterial colonization (approximately 10 times higher compared to conventional ceramic cylinders) optimal decomposition of ammonium and nitrate is guaranteed.
Made of high-quality glass ceramic for crystal clear water
One of the most effective bio-filter materials for years
Suitable for fresh and salt water
We deliver to 27 European countries with over 20 trusted local courier
companies. We also deliver to 10 European countries with the "Cash on
Delivery" option.
If you do not see your country during the order process, or it does not show a shipping price, contact us to clarify details.
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