Buy Nano Aquarium Filter: ✅ Tips & Expert Advice

The movement of water in an aquarium should be slow but steady. With regard to the filter flow rate, this means that the golden rule is “as much as necessary, but as little as possible.” In aquaria containing plenty of plants and only a small number of shrimps, the plants will produce enough oxygen for the animals in the aquarium. The less plants and the more animals there are in an aquarium, the more additional oxygen should be introduced via movement of the water surface.

Dennerle Nano Baby Protect: auxiliary intake protector for Nano Corner filter and Nano Corner filter XL. This additional protection for baby shrimp can easily be clipped onto the corner filter. In this way, the young shrimp will be protected for sucking in by the filter.

The Tropical Cristal sponge filter range provides dependable, air-driven internal filtration in five graduated sizes for aquariums up to 100 L. The fine-pore foam delivers mild mechanical filtration while offering ample surface area for beneficial nitrifying bacteria, perfect for shrimp, fry grow-out, quarantine setups, and any tank that needs safe, low-stress water movement.

The Tropical Delfin Single is a durable, air-driven sponge filter designed for freshwater aquariums up to approximately 150 liters. Its key feature is a horizontally positioned round sponge that offers a large surface area for filtration while maintaining a very gentle flow, ideal for shrimp, fry, breeding tanks, or any setup with delicate livestock.

The Tropical Delfin Double is a durable, air-driven dual sponge filter for freshwater aquariums up to approx. 300 liters. It features two rectangular sponge blocks that can be positioned either horizontally or vertically, offering a large filtration surface for efficient mechanical and biological filtration, perfect for breeding, grow-out, or community tanks with sensitive fish or shrimp.

Replacement filter sponge for the Tropical Cristal and Delfin air lift filters. Please select the appropriate filter sponge for your filter.

Sera Internal filter L60 for all aquariums up to 60 litres content. The Sera internal filter works with an air pump (not in the package included) and is efficient for biological decomposition of invisible nitrogen compounds and for the mechanical filtration of dirt and dust particles. The filter has a very good water circulation and guarantees an even air distribution due to ist especially quiet operation.

One Foam cartridge suitable for the Sera internal filter L60.

One Foam cartridge suitable for the Sera internal filters L150 and L300.

The new EHEIM Air filter is an ideal internal filter for small aquaria or quarantine and breeder tanks. The filter is modular developed by -click together- tubes. The thick filter sponge gives excellent filtration, while protecting small or weak fish.

Tetra Brillant is an air operated internal filter for aquariums up to 100 litres capacity. The Tetra Brillant filter is operated by means of an air pump (not included in delivery).

Dennerle replacement filter element for Dennerle Nano Corner Filter and Nano Corner Filter XL.

Dennerle Bio FilterGranulat is a highly effective biological long-term filter material.

Dennerle Nano AlgenStop is a highly effective phosphate remover for nano fresh water aquaria.

Dennerle Nano Active Carbon removes effectively pollutants, residues from medications, odors or colourations from the water in the nano cube. This super-active, high-efficiency filtering carbon is suitable for nano fresh water aquaria and any other frehs water aquarium.

The Aqua Nova Sponge Filter is a compact airlift filter, ideal for nano tanks, shrimp aquariums, and breeding setups. It offers effective mechanical and biological filtration, quiet, safe, and energy-free. Water is gently drawn through the fine-pore sponge using an external air pump (not included).

The Aqua Nova Double Sponge Filter is a powerful, air-operated sponge filter with two filter sponges, designed for effective mechanical and biological filtration in freshwater tanks up to 120 - 200 liters (2 sizes available). Ideal for breeding setups, shrimp tanks, and nano aquariums, it offers reliable and gentle filtration without electrical components in the water. The filter provides ample surface area for beneficial bacteria colonization.

The Aqua Nova NSF-MAXBIO-200L is a powerful air-driven sponge filter designed for aquariums up to 200 liters. It features a combination of fine-pored dual sponges and an integrated bio-media chamber filled with ceramic filter rings. This hybrid design provides a large surface area for beneficial bacteria, ensuring stable water parameters and excellent biological filtration.

The Aqua Nova NSF-C series corner sponge filters are air-driven internal filters, ideal for small to medium-sized aquariums, especially for sensitive inhabitants like shrimp, fry, or labyrinth fish. Thanks to their compact corner design, they fit discreetly in the aquarium while providing effective mechanical and biological filtration, without motors, chemicals, or noise. An external air pump (not included) generates airflow that pulls water through the fine sponge.

The Aqua Nova NSF-D200L is a high-quality air-driven sponge filter featuring a weighted base that ensures it stays in place no floating or tipping. It is ideal for aquariums up to approximately 200 liters (52 gallons), especially breeding tanks, shrimp setups, and fry grow-out aquariums. The large filter sponge provides excellent mechanical and biological filtration.

The Aqua Nova NSF-R series round sponge filters are air-powered internal filters, ideal for shrimp tanks, fry tanks, and aquariums with sensitive or small fish. Thanks to their soft flow and silent operation, they are perfect for setups that require gentle filtration and biological stability. An external air pump (not included) directs air through the central uplift tube, drawing water through the fine sponge.

Aqua Nova replacement filter sponges for Aqua Nova air lift filters. Please select the filter sponge that is suitable for your filter model.

EHEIM miniFLAT is a micro internal filter for terrariums and paludariums with shallow water area or water bowls (e.g. for frogs, semiaquatic reptiles, cray fish etc.). This unique little flat water filter is designed differently to an internal aquarium filter: It doesnÂ’t hang on to anything, but rather lies horizontally in the water.

EHEIM mini UP is a Mini-Internal filter for smaller aquariums (Nano cubes) 25 to 30 l. ItÂ’s small, gives excellent performance and is simple to fix to the tank with suction cups. The filter sucks the water in through vents, carries it through the filter sponge and directs it further up, cleaned, back into the tank.

JBL UniBloc is a biological filter foam cartridge for clean and healthy water for the JBL CristalProfi internal filter i40. A fine-pored foam cartridge for effective mechanical and biological filtering. The pore structure selected provides ideal conditions for the development of colonies of cleansing bacteria which are essential to breakdown pollutants and at the same time ensures good mechanical filtering.

Hobby Bubble Air 1 is a air-operated internal filter with a multifunctional, biologically and mechanically effective filter system. The filter system has a high filter performance and is 100% shrimp-safe and can also be used to breed the smallest juvenile fish. The sponge filter is a biological-mechanical filter.

Hobby replacement filter sponges for the Bubble Air filters 1, 2 and 3. The filter sponges mechanically remove coarse dirt particles from the water and are biologically broken down by colonising bacteria.

Filter cartridge for the Tetra Brillant Filter. Package content: 1 piece.

Dennerle replacement filter pad for the External SkimFilter. Dennerle part no.: 5607.

Dennerle Nano FilterTubes is a high-performance long-term filter medium. Large surface area offers ideal habitat for all important filtering bacteria. The filter material becomes.

Dennerle Nano Filter Extension: attachable auxiliary filter for Nano Corner filter and Nano Corner filter XL. Especially recommended for aquariums with fishes. Increases the filter volume and can be use for short-term filtering with phosphate absorbers or active carbon filter media.