Filter foam/Filters/Filter media

This high-quality replacement filter foam is specially designed for use in the JBL CristalProfi internal filters of the 60, 80, 100 and 200 models. The foam plays an important role in both the mechanical and biological filtration of the aquarium water, thus contributing to a clean, healthy and stable aquatic environment.

Key features

• Optimal filtration
  The filter foam effectively removes coarse and fine dirt particles from the water, while at the same time providing an ideal habitat for beneficial bacteria that break down waste products.

• Perfect fit
  The foam is made to the exact dimensions for the JBL CristalProfi 60, 80, 100 and 200, ensuring quick and hassle-free installation – no cutting required.

• Biologically active
  Thanks to the open pore structure, a large surface area is created for bacterial colonization, ensuring efficient biological filtration and stable water parameters.

• Easy to clean and durable
  The filter foam can be rinsed and reused multiple times before replacement is necessary. Regular maintenance extends the lifespan of the filter material.

• Safe for aquarium life
  Made from fish-safe, durable materials that do not release harmful substances into the water.

Application

Suitable as a replacement or additional filter medium for the JBL CristalProfi internal filters CP 60, CP 80, CP 100 and CP 200. For optimal performance, it is recommended to clean the filter foam regularly and replace it periodically, depending on the load on the aquarium.

Compatibility

• JBL CristalProfi i60

• JBL CristalProfi i80

• JBL CristalProfi i100

• JBL CristalProfi i200

With this filter foam for the JBL UniBloc CristalProfi, you guarantee powerful filtration and a healthy, clear aquarium – essential for the well-being of your fish and plants.

This complete filter set is specially designed as a replacement or supplement to the original CombiBloc filter package for the JBL CristalProfi E1500, E1501 and E1901 external filters. The set contains high-quality filter materials that ensure optimal mechanical and biological pre-filtration, keeping your aquarium water clear and healthy.

Key features

• Perfect compatibility
  Specially designed for the JBL CristalProfi E 1500, 1501 and 1901. The components fit seamlessly into the existing filter baskets without any modifications.

• Efficient pre-filtration
  The coarse filter foam and fine filter fleece effectively capture dirt and suspended particles before the water reaches the biological filter section.

• Supports stable water parameters
  By capturing dirt particles, the load on the biological filter is reduced, contributing to a stable ecosystem in your aquarium.

• Easy to maintain
  The set is easy to install and replace. Regular maintenance ensures consistently good filter performance.

• Durable and fish-safe material
  Made from high-quality, aquarium-safe materials that do not release harmful substances into the water.

Application

The CombiBloc set is placed in the top filter basket of the JBL CristalProfi filter. It is recommended to clean the filter material regularly and replace it every 3 to 6 months for optimal performance.

Compatibility

• JBL CristalProfi E1500

• JBL CristalProfi E1501

• JBL CristalProfi E1901

With this replacement CombiBloc set for JBL CristalProfi E filters, you ensure powerful filtration, clear water and a healthy environment for your aquarium inhabitants.

This set of two high-quality filter foam blocks is specially designed for use in the JBL UniClear F15-500 filter system. The foam provides effective mechanical pre-filtration by removing large and fine dirt particles from the water, thereby reducing the load on the biological filter and keeping the water clear and healthy.

Key features

• Perfect fit
  Custom-made for the JBL UniClear F15-500, easy to install without trimming or modifications.

• Efficient dirt removal
  The open-cell foam effectively traps dirt particles, thus supporting a stable and clean water environment.

• Supports biological filtration
  The foam provides a large surface area for beneficial bacteria, which help break down harmful substances such as ammonia and nitrite.

• Easy to clean and reusable
  The filter sponges are durable and can be rinsed multiple times before replacement is necessary.

• Aquarium and pond safe
  Made of fish and plant-friendly material that does not release harmful substances into the water.

Application

Place the filter foam in the correct compartment of the JBL UniClear F15-500. For optimal performance, it is recommended to clean the foam regularly and replace it periodically, depending on the level of pollution.

With this set of filter foam for JBL UniClear F15-500, you ensure efficient and reliable filtration, essential for clear water and a healthy aquatic environment.

This set consists of two high-quality filter foam blocks specially designed for the JBL UniClear F35-500 filter system. The foam provides thorough mechanical pre-filtration by trapping dirt particles from the water, contributing to clear water quality and supporting the biological filtration process.

Key features

• Exact fit
  Perfectly matched to the JBL UniClear F35-500 filter. No cutting or modification required – ready to use immediately.

• Effective dirt removal
  The open structure of the foam traps coarse and fine dirt particles, keeping the water clear.

• Support for biological filtration
  The foam provides a large surface area for beneficial bacteria that help break down harmful substances such as ammonia and nitrite.

• Reusable and easy to maintain
  The filter sponges are easy to clean and can be reused multiple times before replacement is necessary.

• Safe for fish and plants
  Made from fish- and plant-friendly material, free from harmful substances.

Application

Suitable for installation in the JBL UniClear F35-500 filter system. For optimal filter performance, it is recommended to rinse the foam regularly and replace it periodically, depending on the level of dirt in the aquarium or pond.

With this filter foam set for the JBL UniClear F35-500, you are assured of a powerful, durable, and safe filtration solution for clear and healthy water.

This set of two high-quality filter foam blocks is specially designed for use in the JBL UniClear F35-120 and F35-250 filter system. The foam plays a crucial role in mechanical filtration by efficiently filtering large and fine dirt particles out of the water. This keeps the water clear and relieves biological filter media.

Key features

• Perfect fit
  Custom-made for the JBL UniClear F35-120 and F35-250. Fits exactly in the filter without trimming or adjustments.

• Efficient dirt removal
  The open-cell structure of the foam effectively captures large and fine dirt particles, leading to cleaner and clearer water.

• Biologically supportive
  The filter foam provides a large surface area for beneficial bacteria that contribute to the breakdown of harmful substances such as ammonia and nitrite.

• Durable and reusable
  The filter sponges are easy to clean and can be used multiple times before replacement is necessary.

• Safe for fish and plants
  Made of high-quality, fish- and plant-friendly materials without harmful substances.

Application

Place the filter foam in the designated compartment of the JBL UniClear F35-120 or F35-250. Clean the foam regularly and replace it if necessary, preferably every 1–3 months depending on the pollution and load on the system.

With this set of filter foam for JBL UniClear F35-120/250, you ensure a powerful, durable, and safe filtration solution for clear and healthy water in your aquarium or pond.

This set of 3 filter foams from Maja Koi is suitable for Fluval C2 aquarium filters and forms an essential part of a well-functioning filtration system. The filter foam provides effective mechanical filtration by removing dirt particles, food remains, and organic waste from the aquarium water.

In addition, the fine-meshed, porous material offers a large surface area for beneficial bacteria, thereby also supporting biological filtration. This helps break down harmful substances such as ammonia and nitrite, which contributes to a stable and healthy aquarium environment.

By replacing the filter foam regularly, you maintain optimal flow and filter performance. This set of 3 pieces is ideal for periodic maintenance and ensures continuously clear and clean water.

A practical and cost-effective solution for aquarium enthusiasts who want their Fluval C2 filter to perform optimally.

Key benefits

• Suitable for Fluval C2 filters
• Set of 3 filter foams
• Effective mechanical filtration
• Supports biological filtration
• Improves water quality and clarity
• Easy to replace

This set of 2 filter foams from Maja Koi is suitable for JBL UniClear F15-120 and F15-250 pond filters. The filter foam plays a crucial role in mechanical filtration by efficiently removing dirt particles, suspended solids, and organic waste from the pond water.

In addition, the porous material provides a large surface area for beneficial bacteria, which supports biological filtration. This breaks down harmful substances and keeps the pond water balanced, which is essential for a healthy living environment for fish and plants.

By replacing the filter foam in a timely manner, you prevent clogging and maintain optimal flow and filter capacity. With this set of 2 pieces, you choose a reliable and efficient solution for the maintenance of your JBL UniClear filter system.

Main benefits

• Suitable for JBL UniClear F15-120 and F15-250
• Set of 2 filter foams
• Effective mechanical filtration
• Supports biological filtration
• Improves water quality and clarity
• Easy to replace

This set of 3 filter foams from Maja Koi is suitable for Fluval C3 aquarium filters and forms an essential part of a well-functioning filtration system. The filter foam ensures efficient mechanical filtration by removing dirt particles, food remains, and organic waste from the aquarium water.

In addition, the porous material provides a large surface area for beneficial bacteria, thereby also supporting biological filtration. This helps break down harmful substances such as ammonia and nitrite, which contributes to a stable and healthy aquarium environment.

By replacing the filter foam regularly, you maintain optimal flow and filter performance. This set of 3 pieces is ideal for periodic maintenance and ensures continuously clear and clean water.

A practical and cost-effective solution for aquarium enthusiasts who want their Fluval C3 filter to perform optimally.

Key benefits

• Suitable for Fluval C3 filters
• Set of 3 filter foams
• Effective mechanical filtration
• Supports biological filtration
• Improves water quality and clarity
• Easy to replace

This complete set of 4 high-quality filter foam pads is specially designed for use in the BF biofilter systems of the 800 and 1000 Plus models. The pads are made of durable, water-resistant foam material with an open-cell structure, ensuring optimal water flow and maximum particle retention. This makes them extremely suitable for both mechanical and biological filtration.

Mechanically, the filter foam captures larger contaminants such as leaves, sludge, fish waste, and uneaten food. This prevents these substances from accumulating and polluting the water. At the same time, the foam provides a large surface area for the colonization of beneficial bacteria that are essential for the biological breakdown of waste products such as ammonia and nitrite. This directly contributes to a healthy biological balance and clear water in pond or aquarium systems.

Using these filter foam pads not only improves water quality but also reduces the frequency of filter maintenance. They are easy to clean by rinsing them in pond or aquarium water and, depending on load and usage, last a long time without losing their effectiveness. Thanks to their perfect fit, they can be quickly and effortlessly installed in the filter housing of the BF biofilter 800 or 1000 Plus.

Whether you are an experienced pond enthusiast or have just started maintaining a biological filter system, this set of filter foam is an essential part of an effective and efficient filtration process. Suitable for both freshwater aquariums and ponds, and ideal for anyone striving for a stable ecosystem with healthy fish and plants.

Key benefits

• Suitable for BF biofilter medium 800 and 1000 Plus
• Set of 4 filter foam pads
• Effective mechanical filtration
• Supports biological filtration
• Improves water quality and flow
• Easy to replace

This set of 4 filter foams from Maja Koi is suitable for BF biofilter medium 400 and 600 plus pond filters. The filter foam provides effective mechanical filtration by removing dirt particles, suspended solids, and organic waste from the pond water.

The open and porous material also provides a large surface area for beneficial bacteria, thereby supporting biological filtration. This contributes to the breakdown of harmful substances and helps keep the water quality stable.

For an optimally functioning filter system, it is important to replace the filter foam in a timely manner. With this set of 4 pieces, you maintain a good flow rate and maximum filter capacity, which is essential for clear and healthy pond water.

A practical and durable solution for pond owners who want their BF biofilters to perform optimally.

Main benefits

• Suitable for BF biofilter medium 400 and 600 plus
• Set of 4 filter foams
• Effective mechanical filtration
• Supports biological filtration
• Improves flow rate and water quality
• Easy to replace

Optimize the performance of your Fluval C4 filter with this high-quality Filterfoam set, specially designed for seamless compatibility with the Fluval C4 Foam Pad. This set of three foam pads provides powerful mechanical filtration, effectively removing dirt particles, sludge, and other large contaminants from the aquarium water.

Key features:

• Perfect fit for Fluval C4
  These filter foams are precisely matched to the dimensions of the Fluval C4 Foam Pad and fit effortlessly into the filter system, ensuring optimal operation without leaks or clogging.

• Efficient mechanical filtration
  The open-cell foam structure captures larger dirt particles before they reach the biological section. This extends the lifespan of the other filter media and improves the overall filtration capacity.

• High-quality material
  Made of durable filter foam that withstands wear and repeated rinsing, so you can rely on consistent filter performance for a long time.

• Easy to install and maintain
  The filter pads are easy to install and replace. Regular maintenance is effortless, making it significantly easier to keep your aquarium clean.

• Improved water quality
  Thanks to effective dirt removal, the water remains clear, contributing to a healthier environment for fish, plants, and other aquarium inhabitants.

Choose this 3-piece Filterfoam set to keep your Fluval C4 filter in top condition and enjoy clean, clear aquarium water for a long time.

This filter sponge is specially designed for use with the Hydor Crystal K10 Duo filter system and forms an essential part of effective filtration in your aquarium. The sponge provides powerful mechanical filtration by removing dirt, sludge, and waste particles from the water, leading to a cleaner and healthier living environment for your fish and plants.

Key features:

• Perfect compatibility
  The filter sponge is exactly matched to the Hydor Crystal K10 Duo, ensuring an optimal fit and maximum filter efficiency without modifications.

• Efficient mechanical filtration
  The coarse structure catches dirt particles before they reach the biological filter section, extending the lifespan of the entire filter system.

• Water quality support
  By removing waste products and contaminants, the sponge contributes to a stable and clear aquarium environment.

• Durable and reusable
  Made of sturdy foam material that withstands regular cleaning and long-term use.

• Easy to replace and maintain
  The filter sponge is easy to install and clean, making the maintenance of your filter quick and hassle-free.

With this filter sponge for the Hydor Crystal K10 Duo, you keep your aquarium water in top condition, extend the lifespan of your filter system, and ensure a healthy living environment for all your aquarium inhabitants.

This Maja Koi filter foam is specially designed for the Hydor Crystal Duo R05 internal aquarium filter with cartridge size 80-150. The foam acts as the first filtration stage and effectively removes dirt particles, food remains, and suspended waste from the water.

Thanks to its open-cell structure, the filter foam also provides a large surface area for beneficial bacteria, thereby supporting biological filtration. This helps break down harmful substances and contributes to a stable and healthy aquarium environment.

The Hydor Crystal R05 filter uses a dual filtration system in which mechanical filtration via foam is combined with additional filter media such as carbon or ceramic material.

For optimal performance of the filter system, it is important to clean the filter foam regularly and replace it in a timely manner. This maintains good flow and maximum filtration capacity.

Key benefits

• Suitable for Hydor Crystal Duo R05 (size 80-150)
• Effective mechanical filtration
• Supports biological filtration
• Improves water quality and clarity
• Easy to replace
• Suitable for aquariums up to approximately 150 liters

This filter foam from Maja Koi has been specially developed for the Hydor Prime 30 Large external aquarium filter. The foam acts as the first filtration step and effectively removes dirt particles, food remains, and suspended waste from the water.

The coarse, open-cell structure ensures optimal water flow and at the same time provides a large surface area for beneficial bacteria. This supports biological filtration in addition to mechanical filtration, which is essential for breaking down harmful substances such as ammonia and nitrite.

Thanks to the perfect fit, the filter foam fits seamlessly into the filter system, preventing leaks and reduced filter performance. Regular cleaning and timely replacement ensure that your filter continues to operate efficiently and maintains a stable aquarium environment.

Main benefits

• Specially suitable for Hydor Prime 30 Large
• Effective mechanical filtration
• Supports biological filtration
• Optimal flow thanks to open structure
• Easy to clean and replace
• Improves water quality and clarity

This filter fleece from Maja Koi is specially designed for the Hydor Prime 30 external aquarium filter and forms the final filtration step in the filter system. The fine material removes very small dirt particles and suspended waste from the water, resulting in clear and clean aquarium water.

Filter fleece is usually used as a polishing filter: it catches the finest dirt particles that have passed through coarser filter foam. In combination with other filter media such as sponges and biological rings, this ensures complete and efficient water purification.

The pre-cut pads fit directly into the filter basket of the Hydor Prime 30, making installation easy. Regular replacement is essential, as the fine material saturates more quickly and can restrict flow when it becomes dirty.

With this set of 4 pieces, you have a practical supply for periodic maintenance and maintain optimal filter performance and water quality.

Main benefits

• Suitable for Hydor Prime 30
• Set of 4 filter fleeces
• Fine mechanical filtration (polishing)
• Removes the smallest dirt particles
• Visibly improves water clarity
• Easy to install and replace

This Maja Koi filter fleece is specially designed for the Hydor Prime 20 external aquarium filter and forms the final filtration step in the filter system. The fine material removes even the smallest dirt particles and suspended waste from the water, making the aquarium visibly clearer.

Filter fleece acts as a polishing filter and is used after coarser filter media such as filter foam and biological materials. This further refines the water quality and creates a stable and healthy aquarium environment.

The pre-cut pads fit directly into the filter basket of the Hydor Prime 20, making installation easy. Regular replacement is essential, as the fine material saturates more quickly and could otherwise restrict flow.

With this set of 4 pieces, you have a sufficient supply for periodic maintenance and maintain an optimally functioning filter system.

Main benefits

• Suitable for Hydor Prime 20
• Set of 4 filter fleeces
• Fine mechanical filtration (polishing)
• Removes the smallest dirt particles
• Visibly improves water clarity
• Easy to replace

This filter foam from Maja Koi has been specially developed for the Hydor Prime 30 external aquarium filter and forms the first filtration step within the filter system. The foam effectively removes dirt particles, food residues, and suspended waste from the aquarium water, which directly contributes to a clearer result.

The open-cell structure ensures optimal water flow and at the same time provides a large surface area for beneficial bacteria. This means the filter foam supports not only mechanical filtration, but also biological filtration, which is essential for breaking down harmful substances such as ammonia and nitrite.

Thanks to the precise fit, the filter foam fits perfectly into the filter basket of the Hydor Prime 30. Regular cleaning and timely replacement prevent clogging and ensure that the filter system continues to function optimally.

Main benefits

• Specially suitable for Hydor Prime 30
• Effective mechanical filtration
• Supports biological filtration
• Optimal flow thanks to open structure
• Easy to clean and replace
• Improves water quality and clarity

This Maja Koi filter foam is specially designed for the Hydor Professional 450 and 600 external aquarium filters. The foam provides an essential first filtration step, effectively removing dirt particles, food debris, and suspended waste from the water.

The open-cell structure ensures optimal water flow while providing a large surface area for beneficial bacteria. This allows the filter foam to support both mechanical and biological filtration, contributing to a stable and healthy aquarium environment.

Thanks to its perfect fit, the filter foam integrates seamlessly into the filtration system, allowing the filter to continue operating optimally without loss of capacity. Regular cleaning and timely replacement prevent clogging and ensure sustained high performance.

The set of 2 pieces is ideal for periodic maintenance and ensures that your Hydor Professional filter continues to operate efficiently.

Key benefits

• Suitable for Hydor Professional 450 and 600
• Set of 2 filter foams
• Effective mechanical filtration
• Supports biological filtration
• Optimal water flow thanks to open structure
• Easy to clean and replace