The Juwel Compact Coarse Sponge is designed to fit perfectly within Juwel filter systems, providing effective mechanical and biological filtration for clean and healthy aquarium water. Its coarse structure allows for excellent water flow while trapping larger debris, creating ideal conditions for beneficial bacteria to thrive and maintain biological balance.

Key Features:

• Genuine Juwel replacement coarse sponge
• Designed to fit Juwel Compact filter systems
• Provides efficient mechanical and biological filtration
• Encourages growth of beneficial bacteria for healthy water quality
• Use with Juwel filter baskets for easier maintenance
• Recommended cleaning or replacement every 3–6 months

The Juwel Compact Coarse Sponge helps ensure your aquarium remains clean, clear, and biologically balanced. For best results, replace one sponge at a time to preserve essential bacterial cultures.