








Keep your aquarium clean and healthy with the WOONEKY sponge filter. This filter is designed to provide both aeration and filtration, creating a thriving environment for your fish. Its multi-layer sponge design ensures a large surface area for beneficial bacteria to colonise, promoting a healthy nitrogen cycle.
The WOONEKY aquarium filter works quietly and efficiently, maintaining good water permeability. With its extendable design, it can fit aquariums of various sizes, providing a reliable filtration solution.
Main Features
- Multi-layer sponge design for effective filtration
- Quiet operation for a peaceful environment
- Good permeability for optimal water flow
- Extendable dimensions to fit different tank sizes (17.5 x 23.5cm, extendable to 35.5cm)
Pros
- Effective biological filtration
- Quiet operation
- Extendable to fit different tank sizes
Cons
- Air pump required (not included)
- Sponge may require occasional cleaning
| Feature | Details |
|---|---|
| Color | As Shown |
| Size | Medium |
| Product Dimensions | 17.5 x 23.5cm (extendable to 35.5cm) |
| Material | Sponge |
Buyer Tips
- Ensure you have a suitable air pump to operate the filter.
- Rinse the sponge in aquarium water during cleaning to preserve beneficial bacteria.
- Position the filter where it will provide optimal water circulation.
- Monitor your water parameters regularly to ensure the filter is functioning effectively.
FAQ – Frequently Asked Questions
How does the sponge filter work?
The sponge filter uses an air pump to draw water through the sponge, trapping debris and allowing beneficial bacteria to colonise, which helps to break down harmful substances in the water.
What size tank is this filter suitable for?
The filter’s dimensions are 17.5 x 23.5cm, but it can be extended up to 35.5cm, making it suitable for medium-sized aquariums.
Does this filter require an air pump?
Yes, this sponge filter requires an air pump to operate. The air pump is not included with the filter.
How often should I clean the sponge?
The sponge should be cleaned regularly, depending on the bioload of your aquarium. A good practice is to clean it every 2-4 weeks.
What is the purpose of the biochemical sponge?
The biochemical sponge provides a large surface area for aerobic bacteria to colonize, facilitating the nitrogen cycle and helping to maintain a healthy aquarium environment.

