Mr Aqua Ceramic Rings Bio Filter Media 20L - Small

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Bio-filtration for fresh and saltwater. Removes ammonia, nitrite, nitrate and dissolved nitrogenous compounds. Will not affect pH.

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$ 128.00

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Brand: Mr Aqua

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Mr Aqua Ceramic Rings Bio Filter Media (Small)

Mr Aqua Porous Ceramic Rings are highly-porous media with massive surface area for bio filtration. The rings are ideal for canister filters and sumps. Made of ceramic, the rings are inert and will not affect pH. Ceramic rings are also long-lasting, can be washed and re-used.

How Bio Filtration Works


These are the benefits of using Mr Aqua Porous Ceramic Rings as bio filtration media:

  • Each highly-porous ring has a massive surface area that promotes colonisation of beneficial bacteria
  • Beneficial bacteria break down ammonia, nitrite, nitrate and dissolved nitrogenous compounds. This is the natural process of bio filtration
  • Promotes fast and efficient filtration
  • Results in clearer, cleaner water
  • Reduces frequency of water changes significantly
  • Suitable for fresh and saltwater aquarium
  • Ideal for canister filters and sumps
  • Will not affect pH levels
  • Can wash and re-use


Mr Aqua Porous Ceramic Rings comes in three sizes S/M/L, each with massive surface area for bio-filtration:

  • Small rings provides a surface area of 600m2 per litre
  • Medium rings provides a surface area of 500m2 per litre
  • Large rings provides a surface area of 400m2 per litre

Simple choose the ring size that best suits your canister filter.

Mr Aqua Online Store

N30 is the authorised dealer in Singapore for Mr Aqua filter media.

Order your Mr Aqua filter media online today at

About N30

N30 Tank Pte. Ltd. is a leading manufacturer of custom-made fish tanks cabinets. As a tank maker, we supply aquarium cabinets to homes and offices locally as well as ship orders worldwide.

N30 provides expertise in the construction of large acrylic aquariums, such as those in Underwater World (Resort World Sentosa). We supply customised storage tanks to fish farms such as Qian Hu, and to major restaurants. The N30 brand name is trusted for quality workmanship in the industry.

N30 has developed unique glass-sealing techniques, which allows us to produce very large tanks (such as 30-feet long) without issue of water leakage. For all custom-made fish tanks, N30 assures customers of Five Years Warranty against water leakage.

To support the needs of aquarium hobbyists, N30 is also offering a wide range of aquarium accessories such as filters, pumps, lighting, wave makers, skimmers... for sale online. We encourage customers to browse and shop online at for accessories. It is convenient and we provide free delivery for orders (see the online store terms and conditions for details).

Loyalty Points

N30 Member Rewards

Earn 5 points per dollar

N30 members earn five points per dollar spent online at Each point is worth S$0.01 in cash value.

Convert points into eVouchers redeemable for discounts on your orders.

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When you purchase S$100 of aquarium accessories online at, you will earn 500 points in your N30 account. You may convert the 500 points into an eVoucher worth S$5. To use this eVoucher on your next order, simply enter the unique eVoucher code in your shopping cart before you check out. That's all!

The more you shop on, the more you will save on your next order!

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