Compact biological filter medium for Juwel Bioflow M systems. Green, 31 g, provides large surface area for beneficial bacteria to support clean aquarium water.
Juwel Filtermass Nitrax M – Compact Biological Filtration Media
The Juwel Nitrax M is a compact biological filter medium designed for aquarium filtration systems. It provides a large surface area for beneficial bacteria to colonise, supporting the biological breakdown of pollutants in the water.
Compact design fits easily into Juwel Bioflow M filter systems
Large surface area promotes robust bacterial colony growth for efficient biological filtration
Green colour allows visual inspection of the filter medium condition
Lightweight at 31 g — easy to handle and replace during routine maintenance
Das zeichnet Juwel Nitrax M aus
Unlike coarse filter sponges, the Nitrax M offers a finely structured porous surface that maximises contact between water and beneficial bacteria. Its compact form factor is specifically engineered to integrate seamlessly into the Juwel Bioflow M filtration unit without requiring additional adapters or modifications.
Ideal für...
Aquarium enthusiasts who use Juwel Bioflow M filter systems and need a reliable biological filtration medium. Suitable for freshwater aquariums where consistent water quality depends on stable bacterial colonies.
Anwendung von Juwel Nitrax M
Rinse the filter medium briefly in aquarium water before first use to remove any production dust
Place the Nitrax M into the designated compartment of the Juwel Bioflow M filter
Replace or refresh the medium every 4–6 weeks, or when water clarity declines despite regular maintenance
Do not clean with tap water — chlorine will destroy the beneficial bacteria colony
Juwel is a German aquarium equipment manufacturer known for producing filter systems, filter media, and accessories for freshwater and marine aquariums. The Nitrax M biological filter medium is a standard replacement and upgrade component within their Bioflow filtration range.
The Nitrax M is a biological filter medium that provides a large surface area for beneficial bacteria to colonise, supporting the breakdown of ammonia and nitrites in aquarium water.
It is designed for the Juwel Bioflow M filtration system. Its compact size fits the designated compartment without additional adapters.
Replace or refresh every 4 to 6 weeks, or sooner if water clarity declines despite regular filter maintenance.
One pack of Juwel Nitrax M biological filter medium, green, compact format, weighing 31 g.
Rinse briefly in aquarium water only. Never use tap water, as chlorine will destroy the beneficial bacteria colony on the medium.
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