N30 Bio Block Filter Media (Pure Ceramic)

New product

Non-clogging. Speedily removes ammonia and nitrite in fresh and marine aquarium.

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$ 38.50

$ 55.00

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Brand: N30

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N30 Bio Block Filter Media

Biological filtration is a critical process in any aquatic environment. N30 Bio Blocks media outperforms other filter media in terms of removal of fish waste and organics, as well as in term of its clog-free design.

N30 Bio Blocks media are made of durable hardened ceramic, with an ideal ratio of surface area to void space for optimum gas exchange, whereby beneficial bacteria can colonise and break down ammonia, nitrites as well as nitrate quickly and effectively.

N30 Bio Block media can be used in sump filtration systems, OHF, refugium, including wet/dry filters.


  • Made of inert, 100% pure ceramic, kiln-fired and hardened for durability and long life.
  • Clog-Free design with natural random channeling of water.
  • Porous filtering surface allows maximum aerobic bacteria colonisation.
  • 300% more surface area than all traditional ceramic filtration media.
  • Has the ideal ratio of surface area to void space for optimum gas exchange.
  • Water channeling throughput rate is optimised with the bio-filtration rate.
  • Accelerates the breakdown of ammonia, nitrites and nitrate.
  • Does not alter water pH.
  • Can be washed and reused.


  • 1 pieces of bio block
  • Dimensions of each block: 20x20x5 cm

Superior Bio Media

Using poor quality bio-filter media can result in devastating damages to your aquarium system. This is why professional aquarists insist on using premium filter media from reputable manufacturers.

N30 Bio Block and N30 Bio Blocks media are the preferred choice of professional aquarists, thanks to their superior non-clog technology and a design that ensures water is channeled naturally through the media at a rate that optimises the break down of ammonia and nitrite.


N30 Bio Block and N30 Bio Blocks media are suitable for aquarium systems that need reliable filtration of ammonia and nitrite, such as:

  • Koi ponds
  • Tropical aquarium
  • Coral reef tank
  • Freshwater and marine aquarium
  • Ideal for high fish loads environments.

Ammonia damage gills and cause bleaching of corals. Protect your aquarium with N30 Bio Block and Bio Sphere media.

Bio Filter Media Online Shop

N30 is an authorised distributor of premium-grade aquarium filter media in Singapore.

Order your aquarium 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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