Buy Nano Aquarium Filter: ✅ Tips & Expert Advice

Dennerle Nano Corner Filter

for Aquaria form 10 up to 40 l
ideal for nano aquariums
energy-saving & powerful

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 Corner FilterTop Seller18.99 €^*

Dennerle Nano Corner Filter XL25.85 €^*

Dennerle Nano Corner Filter XXL49.95 €^*

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Dennerle Nano Filter Modul

filter cup for nano corner filter

4.5 (2)

Dennerle Nano Filter Modul: Filter cup for Nano Corner filter and Nano Corner filter XL.For even higher performance of the filter in the aquarium. Alternatively, use instead of the filter element with filter fleece. Especially recommended for aquariums with fishes.

7.79 €^*

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Dennerle Nano Baby Protect

additional intake protector

3.0 (1)

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.

Dennerle Nano Baby ProtectTop Seller6.85 €^*

Dennerle Nano Baby Protect XXL10.59 €^*

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Dennerle Nano Filter Extension

attachable auxiliary filter

5.0 (1)

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.

7.79 €^*

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Dennerle Nano Corner Fiter Cartridge

for Nano coner filter and XL

5.0 (1)

Dennerle replacement filter element for Dennerle Nano Corner Filter and Nano Corner Filter XL. + large surface area for filtering bacteria + excellent filtering performance + for crystal-clear, healthy water In order to maintain a high level of filter performance, Dennerle recommends to replace the filter element every 3-6 months..

Dennerle Nano Corner Fiter Cartridge5.49 €^*

Dennerle Nano Corner Fiter Cartridge SetTop Seller12.49 €^*

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Aqua Nova Sponge Filter

air lift filter for aquariums up to 40-60 l
for shrimp and breeding tanks
effective mechanical and biological filtration

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).

from 2.95 €^*

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Aqua Nova Double Sponge Filter

double sponge filter for up to 120-200 l
operates with an aerator pump
effective mechanical and biological filtration

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.

from 4.29 €^*

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Aqua Nova Sponge Filter NSF-MAXBIO-200L

double sponge filter for up to 200 l
with separate bio filter chambers
effective mechanical and biological filtration

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.

9.49 €^*

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Aqua Nova Corner Sponge Filter NSF-C

sponge filter for corners
in various sizes
gentle and effective filtering

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.

from 2.79 €^*

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Aqua Nova Round Sponge Filter NSF-D200L

sponge filter with stand
for aquariums up to 200 l
biological & mechanical filtration

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.

4.95 €^*

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Aqua Nova Sponge Filter NSF-R

Round sponge filter
with stable base
in various sizes

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.

from 4.79 €^*

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Aqua Nova Replacement Filter Sponge

replacement filter sponges
for Aqua Nova air lift filters
various sizes

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

from 1.49 €^*

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Dennerle Nano Bio FilterGranulat

bio filter medium for clear water

5.0 (1)

Dennerle Bio FilterGranulat is a highly effective biological long-term filter material. + for effective degradation of harmful substances + based on natural clay minerals, fired with open-pore finish + vast colonisation space for biological filtration Mode of use for Dennerle Nano Bio FilterGranulat:Pour Bio FilterGranulat into Nano FilterModule or Filter Extension. Rinse thoroughly with tap water to remove any fine waste which has worn off during transportation.

8.59 €^*

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Nano AlgenStop Dennerle

prevents algae infestations by removing nutrients

1.0 (2)

Dennerle Nano AlgenStop is a highly effective phosphate remover for nano fresh water aquaria. + removes the main cause of algae infestations -phosphate + fast-acting, active for up to 3 months + binds phosphate permanently + excellent bio-compatibility Mode of use for Dennerle Nano AlgenStop: Recommended dosage: 10-20 ml for 10 l of aquarium water. Pour required amount into the Nano FilterModule or the Filter Extension, then rinse thoroughly with tap water.

9.89 €^*

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Dennerle Nano Active Carbon

removes harmful substances, discoloration, smells

5.0 (1)

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. + pellet form for clean use and maximum performance + pH-neutral, does not release any algae-friendly phosphates + for crystal-clear, healthy water Mode of use for Dennerle Nano Active Carbon: recommended dosage: 10-20 ml to 10 l of aquarium water.

8.49 €^*

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EHEIM Nano Filter mini FLAT

nini filter for terrariums, paludariums etc.

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 doesnt hang on to anything, but rather lies horizontally in the water.

22.49 €^*

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EHEIM Nano Filter mini UP

mini internal filter for aquaria 25-30 l

5.0 (3)

EHEIM mini UP is a Mini-Internal filter for smaller aquariums (Nano cubes) 25 to 30 l. Its 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.

22.49 €^*

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Dennerle Replacement Filter Pad SkimFilter

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

Dennerle Replacement Filter Pad SkimFilter5.85 €^*

Dennerle Replacement Sponge SkimFilterTop Seller3.95 €^*

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Sera Internal filter L60

for all aquariums up to 60 litres

5.0 (2)

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..

Sera Internal filter L609.59 €^*

Sera Internal filter L15014.49 €^*

Sera Internal filter L30015.95 €^*

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Sera Foam cartridge for L60

5.0 (1)

One Foam cartridge suitable for the Sera internal filter L60..

3.99 €^*

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Sera Foam cartridge for L150/300

4.0 (1)

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

4.99 €^*

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Tropical Sponge Filter Cristal

air lift filters in various sizes
effective mechanical and biological filtration
for use with an air pump

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.

from 3.95 €^*

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Tropical Sponge Filter Delfin Single

round sponge filter
for aquariums up to 150 l
ideal for shrimp tanks

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.

12.49 €^*

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Tropical Sponge Filter Delfin Double

double sponge filter
for aquariums up to 300 l
ideal for shrimp tanks

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.

16.49 €^*

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Tropical Replacement Flter Sponge

replacement Sponge for air-lift filter
available for different models

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

from 1.49 €^*

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EHEIM Air filter

powerful air filter

5.0 (2)

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.

13.49 €^*

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Hobby Bubble Air 1

Sponge filter for aquariums
for smallest fish & shrimp safe
for aquariums 10-20 L

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 Bubble Air 14.99 €^*

Hobby Bubble Air 25.95 €^*

Hobby Bubble Air 37.95 €^*

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Hobby Filter Sponge für Bubble Air

replacement sponge for Bubble Air
mechanically & biologically cleaning

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..

from 1.39 €^*

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Tetra Brillant Filter Filter Cartridge

replacemnet sponge for Brillant

5.0 (1)

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

4.59 €^*

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Tetra Brillant internal filter

air operated internal filter up to 100 l

4.0 (1)

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). Tetra Brillant + air operated internal filter with foam cartridge + ideal filtration due to mechanical and bioactive mode of operation + high quality foam material - large surface, i.e.

10.59 €^*

Due to the small amount of water, small nano aquariums pose a major challenge for filter technology. When choosing the right filter for a nano aquarium, it is important to choose the right filter material as well as good performance.
Internal filters or attached filters with biological filter media have proven their worth. The internal filters are usually installed in a corner of the nano tank and take up very little space.