AquaTop Replacement Blue Filter Sponge for CF-400UV
Genuine AQUATOP replacement filter sponge designed for use in the CF-400UV canister filter. This mechanical filter media effectively removes organic particles, foreign debris, and excess food from aquarium water. Suitable for both freshwater and saltwater systems.
Pre-cut to fit the Aquatop CF-400UV filter model. Each pack contains 1 sponge.
| Specification | Detail |
|---|---|
| Filter Type | Blue Mechanical Sponge |
| Compatibility | Aquatop CF-400UV |
| Application | Freshwater and Saltwater Aquariums |
| Quantity per Pack | 1 piece |
FAQ
Is this sponge compatible with the CF-400UV filter only?
Yes, this blue filter sponge is specifically designed to fit the Aquatop CF-400UV canister filter.
How often should I replace the filter sponge?
It is recommended to replace the sponge every 3 to 4 months, or sooner if it shows signs of wear or clogging.
Can this sponge be used in both freshwater and saltwater tanks?
Yes, this mechanical sponge is suitable for both freshwater and saltwater aquarium filtration.

Jacob Springer –
The sponge fits perfectly in my CF-400UV filter. It maintains water clarity and helps keep debris out without clogging easily. Easy to clean and lasts longer than the original pads I had.
Charles MacLeod –
Works well with my saltwater tank. The filter performs smoothly and the sponge doesn’t break down quickly. I noticed less algae buildup after installing it.
Oliver Vaughan –
Great replacement for my old sponge. It fits exactly and the filtration is effective. I clean it weekly and it stays in good condition.
Sam Churchill –
Fits the CF-400UV without any issues. The blue color is consistent with the original, and it helps maintain water flow and cleanliness.