Waterbox Filter Media Pack – Cube 20/Peninsula Mini 25
Replacing your filter media is essential to creating a sustainable aquatic environment. Activated carbon and a filter sponge will keep your water crystal clear and free of impurities, while bio-balls are great for freshwater environments.
| Component | Quantity |
|---|---|
| Activated Carbon | 1 pack |
| Filter Sponge | 1 piece |
| Bio-balls | 1 pack |
FAQ
What is the purpose of activated carbon in the filter media pack?
Activated carbon helps remove odors, colors, and organic impurities from the water, improving water clarity and overall water quality.
Can this filter media pack be used with both Cube 20 and Peninsula Mini 25 filters?
Yes, this media pack is compatible with both the Waterbox Cube 20 and Peninsula Mini 25 filters.
How often should I replace the filter media?
It is recommended to replace the filter media every 4 to 6 weeks, or as needed based on water condition and tank maintenance.

Joanne Hemmings –
The filter media works well in my 10-gallon freshwater tank. Water clarity improved noticeably after the first week. The activated carbon removes the fishy smell, and the sponge holds up well during regular use.
Carl Peters –
I used this pack with my Peninsula Mini 25 filter. The bio-balls help maintain good bacterial balance. The sponge is easy to clean and fits perfectly. I’d recommend it for small to medium tanks.
Diane Gibson –
After installing the media pack, my tank water became noticeably cleaner. The activated carbon reduced the ammonia smell, and the filter runs smoothly without clogging.