Aquarium Solutions Bacto-Surge Biological Action Sponge Filter
The difference is in the quality of the foam sponge. Hikari Aquarium Solutions Bacto-Surge Foam Filter employs the highest-quality foam sponge they could source to provide outstanding mechanical and biological filtration. Extreme foam density allows for greater surface area per square inch to support significant levels of beneficial bacteria.
Key Features
- High-density foam sponge for superior mechanical and biological filtration
- Larger surface area per square inch to support abundant beneficial bacteria
- Extra-large size for enhanced filtration capacity
- Black color for discreet placement in aquarium setup
| Specification | Detail |
|---|---|
| Filter Type | Biological Action Sponge Filter |
| Color | Black |
| Size | Extra-Large |
| Material | High-density foam sponge |
FAQ
How does the foam sponge improve biological filtration?
The high-density foam sponge provides a large surface area per square inch, which supports a significant population of beneficial bacteria essential for breaking down waste in the aquarium.
Is the filter easy to clean and maintain?
Yes, the sponge filter is designed for regular maintenance. It can be rinsed under clean water to remove debris while preserving the bacterial colonies.
Can this filter be used in both freshwater and saltwater aquariums?
Please contact customer service

Luke Howard –
The filter performs well in my 55-gallon freshwater tank. The black color blends nicely with the decor, and the foam sponge holds up well after several cleanings. I notice a cleaner water environment and less fish waste buildup.
Bella Underwood –
Great filtration performance. The extra-large size makes a noticeable difference in water clarity. I had to rinse it every two weeks, but it stays effective over time.
Richard Gray –
Installed it last month and it’s already helping with water quality. The sponge doesn’t break down easily and the biological filtration is strong. My fish seem more active and the water is clearer.