Quick Summary
The hygger Aquarium Sponge Filter is a submersible internal foam filter for fish tanks in the 91-250 L range. It uses air-driven water flow and includes filtered ceramic balls, with a spare sponge also mentioned in the configuration.
This medium size is aimed at breeding setups and low-flow tanks such as fry, shrimp, snails and betta tanks. Air pump and airline are sold separately, so those parts need to be checked before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | hygger, which identifies the product range. |
| Product type | Aquarium sponge filter for internal tank use. |
| Size | Medium. |
| Recommended tank range | 91-250 L, so the tank size needs to match this variant. |
| Operation | Air-driven, so an air pump is required for use. |
| Included filter media | Filtered ceramic balls and sponge media are mentioned. |
| Replacement sponge | A spare sponge is mentioned, which may matter if you want a backup filter element. |
| Maintenance note | The sponge is stated to need rinsing in tank water about every 2-4 weeks. |
What to Compare Before Buying
- Tank size: This medium version is suggested for 91-250 L aquariums. Check the size of your tank against that range before choosing.
- Tank depth: The stated recommendation is for tanks under 50 cm deep. Measure the tank depth if that matters to your setup.
- Air supply: The filter is air-driven, so an air pump and airline need to be available separately.
- Filter media setup: It uses sponge filtration with ceramic balls in the chamber base. Compare that format with the filtration style you want.
- Maintenance: The sponge is meant to be rinsed in tank water on a regular basis, so it suits buyers happy with simple routine care.
What Else You May Need
An air pump and airline are required for operation and are sold separately. If you are setting up a new tank, you may also want to check whether your chosen aquarium layout leaves enough room for an internal filter of this size.
Before You Decide
Confirm that the medium size matches your tank volume and depth, and make sure you have the separate air pump and airline needed to run it. Check the included filter media and spare sponge against the setup you want before choosing an offer.











