Aquael Filtration Sponge FZN-2 (2 pcs)
The replacement sponge for the Aquael Versamax Hang-on Filter Range is an essential component for maintaining effective filtration in your aquarium. Designed to fit perfectly within the filter unit, these sponges offer mechanical and biological filtration.
- Mechanical Filtration: The sponge traps debris, uneaten food, and other particulates from the water, ensuring it remains clear and free from floating particles.
- Biological Filtration: The porous structure of the sponge provides ample surface area for beneficial bacteria to colonize. These bacteria are crucial for breaking down harmful ammonia and nitrites, thus promoting a healthy and stable aquatic environment.
| Specification | Details |
|---|---|
| Product Type | Replacement Sponge |
| Compatible Filter Model | Aquael Versamax Hang-on Filter |
| Quantity | 2 pcs |
| Material | High-density polyethylene |
| Dimensions (L x W x H) | 12 x 8 x 3 cm |
FAQ
How do I know if the FZN-2 sponge fits my Aquael Versamax filter?
The FZN-2 sponge is specifically designed to fit the Aquael Versamax Hang-on Filter Range. It is compatible with all models in this series and will fit securely within the filter housing.
Can I use this sponge with other filter brands?
No, this sponge is designed exclusively for the Aquael Versamax Hang-on Filter Range and may not fit other filter models.
How often should I replace the sponge?
It is recommended to replace the sponge every 3 to 6 months, depending on tank size, fish population, and water conditions. Always inspect it for signs of wear or clogging.

Matt Martin –
I’ve used this sponge for three months now and the water clarity has improved significantly. The filter runs smoothly and the tank feels more stable. No clogging issues so far, and the bacteria colonization seems good.
Mary Howard –
Fits perfectly with my Aquael Versamax filter. The mechanical filtration works well, and the water stays cleaner than before. I noticed a slight odor after installation, but it disappeared after a week.
Edward Howard –
Easy to install and replace. The sponge holds up well even with a busy tank. I can see the beneficial bacteria establishing over time, and my fish are more active and healthy.
Sean Walsh –
Good quality and fits exactly. I replaced it after six months and it still performs well. The biological filtration helps maintain stable ammonia levels in the tank.