Buying guide
Sponge Filters
Our pick
Hikari Bacto Surge Small
Choose the Hikari Bacto Surge Small for an air driven sponge filter in an aquarium up to 40 gallons.1
The alternatives
Other contenders
For an aquarium above 40 and up to 75 gallons, choose the Hikari Bacto Surge Large for its higher stated tank limit.1
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2 products
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Models in this comparison
Every specification for these products
| Specification | Hikari Bacto Surge Small | Hikari Bacto Surge Large |
|---|---|---|
| Rated tank size | 40 gal1 | 75 gal1 |
| Base type | Weighted base2 | Weighted base2 |
| Foam fineness | Not published | Not published |
| Air pump included | No1 | No1 |
How they compare
Scroll the table to see every product and specification.
| Specification | Our pickHikari Bacto Surge Small | Hikari Bacto Surge Large |
|---|---|---|
| Rated tank size | 40 gal1 | 75 gal1 |
| Base type | Weighted base2 | Weighted base2 |
| Foam fineness | Not published | Not published |
| Air pump included | No1 | No1 |