| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 | Filter type | Power source | Min Flow strength | Max Flow Strength | Biological filtration capacity | Mechanical filtration capacity | Chemical Filtration Capacity | Cost | Tank Volume occupied | Behind tank space | Under tank space | Noise | Visibility in tank | Hides Other Equipment | Fry/Shrimplet protection | Ease of Maintnence | Flood safety | Mantains tank water level |
3 | Hang on back | Electric | Low | Medium | High | Medium | Medium | Medium | Low | High | None | Low | Medium | None | Low | Medium | Medium | None |
4 | Canister | Electric | Medium | High | High | High | High | High | Low | Low | High | Low | Low | High | Low | Low | Low | None |
5 | Sponge | Air | Low | Medium | Medium | Low | None | Low | Medium | None | None | Medium | High | None | High | High | High | None |
6 | All-in-one internal sump | Air/Electric | Low | Medium | High | Medium | Medium | Medium | High | None | None | Low | Low | Medium | Medium | Low | High | Low |
7 | Internal power filter | Air/Electric | Low | Medium | Medium | Low | Low | Medium | High | None | None | Low | High | None | Medium | Low | High | None |
8 | External sump | Electric | Medium | High | High | High | High | High | Low | Low | High | Medium | Low | High | Low | Medium | Medium | High |
9 | Under gravel | AIr/Electric | Low | Medium | High | Low | None | Low | Low | None | None | Low | Medium | None | High | Medium | High | None |
10 | Matten | AIr/Electric | Low | Medium | High | Low | None | Low | High | None | None | Medium | High | Medium | High | High | High | None |
11 | Box Filter | Air | Low | Medium | Medium | Medium | Medium | Low | Medium | None | None | Medium | High | None | High | Medium | High | None |
12 |