MarinePure 5 Gallon Spheres Bio Filter Media

New product

Efficiently removes ammonia and nitrate in aquarium.

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$ 325.00

$ 375.00

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MarinePure Spheres Bio Filter Media

MarinePure Spheres is an inert filter media that promotes the growth of denitrifying bacteria to facilitate natural bio filtration in your aquarium.

As water flows freely through the MarinePure Spheres, the denitrifying bacteria inside will breakdown ammonia and nitrite while minimizing nitrates.

MarinePure Spheres makes an excellent substrate for microfauna, coral, and sponge growth.

MarinePure Spheres also provides an excellent habitat for copepods to live, hide, and reproduce.

You can place MarinePure Spheres anywhere in the tank, but it is best used in refugiums, sumps, all-in-one filtration chambers, wet/dry filters, trickle filters, canister filters, and HOB filters.

MarinePure Benefits

  • MarinePure Spheres is designed to remove ammonia and nitrite while minimizing nitrates in the aquarium.
  • MarinePure Spheres delivers superior efficient bio-filtration, thanks to its massive porosity and surface area that enhances the growth of denitrifying bacteria inside them.
  • With up to 80%+ open porosity, MarinePure Spheres promotes excellent water circulation, and is much less likely to clog than other bio filter media.
  • MarinePure Spheres is made of inert ceramic, safe for all aquarium including reef.
  • MarinePure Spheres is made of Aragonite (carbonate mineral) composition, similar to natural reef rock, naturally buffers pH and stabilises water chemistry.
  • MarinePure Spheres allows your aquarium to support a larger bioload and reduces your tank maintenance workload.
  • MarinePure Spheres can be washed, sterilised, and reused.


The specifications of MarinePure Spheres:

  • Ammonia and Nitrite removal
  • Safe for freshwater, saltwater marine and reef aquarium
  • One MarinePure Sphere has the same surface area as 1,350 plastic 1.5 inch bio-balls. Vast surface area and high porosity results in enhanced filter efficiency.


The package contains 5 Gallon of 1.5 inch spheres.

MarinePure Bio Filter Media Online Shop

N30 is the authorised dealer for MarinePure filter media in Singapore.

Order your MarinePure filter media supplies online today at

About N30

About N30 Tank

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).

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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!

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