Juwel Bio Carb (Medium) – Aquarium Carbon Sponge
JUWEL Carbon Sponges absorb odour compounds and turbidity as well as toxic compounds in your aquarium, leaving the water crystal clear.
Product Specifications
| Feature | Detail |
|---|---|
| Product Type | Carbon Sponge |
| Size | Medium |
| Material | Activated Carbon |
| Usage | Water Filtration in Aquariums |
FAQ
How often should I replace the Juwel Bio Carb sponge?
Replace the sponge every 4 to 6 weeks depending on tank size and fish population.
Can I use this sponge in a freshwater aquarium?
Yes, this sponge is designed for use in freshwater aquariums.
Does the sponge remove beneficial bacteria from the water?
Please contact customer service

Leah Vance –
The water in my tank has become much clearer since I added the Juwel Bio Carb sponge. It effectively reduces odours and keeps the water clean without affecting the fish. Easy to install and lasts longer than other carbon products I’ve tried.
Richard Hughes –
I noticed a significant improvement in water clarity after using this medium-sized sponge. It works well in a 55-gallon tank with a mixed community of fish. The odour is reduced noticeably, though I still need to clean it every few weeks.
Warren Bailey –
Great product for maintaining a healthy aquarium environment. The sponge absorbs toxins and odours efficiently. I’ve used it for three months now and the water remains clear and stable.