Juwel Cirax Filter Media - Ceramic Granulate

The Juwel Cirax Filter Media – Ceramic Granulate is a premium biological filter medium made from highly porous ceramic granules. With its extensive surface area, it provides the ideal habitat for beneficial bacteria, ensuring efficient biological filtration and crystal-clear water. Specially designed for Juwel Bioflow filters, Cirax M & L sizes are easy to install, long-lasting, and compatible with a wide range of Juwel aquariums. Perfect for both freshwater and marine setups, Cirax enhances water quality by naturally breaking down pollutants and maintaining biological balance. Porous ceramic granules for maximum bacterial colonization Supports stable, healthy aquarium ecosystems Ensures excellent water quality with natural biological cleaning Fits Juwel Bioflow M & L filter systems Suitable for freshwater and saltwater aquariums Long service life – effective up to 1 year

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Juwel Cirax Filter Media – Biological Filtration for Crystal-Clear Water

Achieve stable water quality and a thriving aquatic environment with Juwel Cirax Filter Media. Made from natural ceramic granules, Cirax provides an enormous surface area that encourages colonies of beneficial bacteria to develop. These bacteria play a vital role in breaking down harmful waste products, ensuring safe, clear, and balanced aquarium water.

Designed for Juwel Bioflow filters, Cirax M & L sizes are pre-filled in special baskets for quick installation and hassle-free replacement. With a service life of up to one year, Cirax is a reliable choice for aquarists who want long-term performance with minimal maintenance.

Specifications

Type: Biological filter media – porous ceramic granules
Function: Promotes bacterial colonization for natural waste breakdown
Suitable for: Freshwater & saltwater aquariums
Size M: 9.5 × 9.5 × 4.5 cm – Fits Rio 125/180/240, Lido 120/200, Trigon 190, Vision 180, Primo 110
Size L: Fits Rio 350, Vision 260
Service Life: Up to 12 months

How to Use This Filter Media

Turn off the filter system before replacement.
Remove the old media basket from your Juwel Bioflow filter.
Insert the Cirax cartridge into the designated filter slot.
Restart the filter and allow time for beneficial bacteria to establish.
Replace every 12 months for optimal biological filtration.

Care & Maintenance Tips

Do not rinse Cirax under tap water, as this may damage bacterial colonies.
Combine with Juwel Nitrax and Amorax for complete filtration performance.
Monitor ammonia, nitrite, and nitrate levels regularly.
Replace the cartridge earlier in heavily stocked aquariums.
Avoid chemical treatments that could harm beneficial bacteria.

Shipping

Delivery in 2-5 Days. Express delivery is available at checkout for an additional fee.

Returns

We accept returns within 3 days of delivery. Items must be unused and in their original packaging.

For more than 50 years JUWEL Aquarium has been synonymous with quality and innovation in aquarium manufacturing and is thus setting standards in design and technology. Emphasis was placed on a systems concept right from the start. We therefore developed the technology required for the successful operation of an aquarium from early on and our first brand was able to offer a range of aquariums with components that are all perfectly compatible with each other. We have remained true to this principle and therefore these days JUWEL Aquarium is synonymous with high quality system aquariums, ultra-modern technology and the highest quality standards. To this day, an experienced team is constantly working with great enthusiasm to create a beautiful home for your fish. This has made us the leading aquarium brand in Europe.