Ocean Free Smart 400 Internal Filter Bio-foam
The Ocean Free Smart 400 Internal Filter Bio-foam is a high-performance filtration solution designed for aquarium systems. It features a bio-foam structure that supports beneficial bacteria growth while maintaining efficient water flow and clarity.
Key Features
- Internal filter design for compact and space-saving installation
- Bio-foam media promotes natural bacterial colonization
- Effective in removing suspended particles and organic waste
- Easy to clean and maintain
Specifications
| Feature | Detail |
|---|---|
| Filter Type | Internal Bio-foam |
| Capacity | 400 liters |
| Material | Food-grade bio-foam |
| Dimensions | 15 x 10 x 8 cm |
FAQ
How often should I clean the bio-foam filter?
Clean the filter every 2 to 4 weeks depending on tank size and fish population. Rinse gently under running water to preserve bacterial colonies.
Can this filter be used in both freshwater and saltwater tanks?
This filter is designed for freshwater aquariums. It is not recommended for saltwater systems.
Is the bio-foam safe for fish and beneficial bacteria?
Yes, the bio-foam is made from food-grade materials and is safe for fish and beneficial bacteria. It supports natural biological filtration.

Joseph Skinner –
The filter works well in my 100-liter tank. Water clarity improved noticeably after a week. Easy to install and maintain. The foam holds bacteria well and doesn’t clog easily.
Jennifer Hunter –
Good performance for a compact filter. I noticed a steady improvement in water quality. A bit harder to clean than expected, but manageable with regular rinsing.
Hannah Edmunds –
Installed it in my community tank and the water has stayed clear without needing frequent changes. The bio-foam seems to support good bacterial growth. Very satisfied with the results.