Juwel Cirax Filter Media - Compact M

Juwel recommends replacing the Cirax media every 9 to 12 months to ensure optimal biological filtration.

Yes, Juwel Cirax is suitable for use in both freshwater and saltwater aquarium environments.

Never replace all the Cirax media at the same time. Replace it in stages, removing only a portion of the old media and letting the new media colonize from the remaining established bacteria.

Juwel Cirax is made of highly porous, ceramic-based pellets.

No, Juwel Cirax is specifically designed as a biological filter media. It provides a large surface area for beneficial bacteria.

The dimensions for the Cirax M are approximately 95 mm (Width) x 95 mm (Depth) x 45 mm (Height).

Cirax is designed to be placed in the biological filtration stage of compatible Juwel filters, typically within a dedicated filter basket.

This can happen if too much media was replaced at once, removing essential bacteria. Always replace Cirax in stages, leaving some old media in place to seed the new material.

While Cirax is designed for good flow, the porous material can become clogged over long periods. Rinse the Cirax media gently in used aquarium water (never tap water) during a partial water change, or replace it according to the recommended schedule.

This is normal as beneficial bacteria colonize the surface. Avoid aggressive cleaning, as it can remove the bacteria. Gentle rinsing in aquarium water is sufficient if flow is impacted.