EVERY SPEC. EVERY SCORE. SHOWN.
SnoutPicks scores habitats & containment and more from published specifications on a 0-100 scale. Each score traces to a dated source record. Every ranking names the leading match and the weights behind it. Trade-off: each pick names one drawback to check before you buy. Specs are checked every 90 days.
Featured ranking: Aquarium Filters · top three
LIVE RE-RANK
Drag the weights; the ranking recomputes from the real spec data.
Ranking categories
Holds #1 because maximum rated tank size and published flow rate create a gap of 17 points over Fluval FX4 High Performance Canister Filter; best for headroom for stocked community tanks and future upgrades.
100/100Tied with #2 on the rounded ranking: only 1 point separates them, with coat and torque fit and cordless runtime the strongest scored differences; best for thick, double, wiry, curly, and full-body grooming work.
87/100Ranks #1 on recommended pig count and floor area, 13 points clear of Kavee C&C Cage 5x2 with Loft; best for housing more guinea pigs comfortably.
85/100Freshness
The top three aquarium filters are separated by 47 points; maximum rated tank size is the tiebreaker.
| Product | Composite | Maximum Rated Tank Size | Published Flow Rate | Filtration Stages | Filter Architecture | Priming Convenience |
|---|---|---|---|---|---|---|
| Fluval FX6 High Performance Canister Filter | 100/100 | 27 points from grade 1 | 24 points from grade 1 | 21 points from grade 1 | 19 points from grade 1 | 9 points from grade 1 |
| Fluval FX4 High Performance Canister Filter | 83/100 | 16.5 points from grade 0.61 | 17.7 points from grade 0.74 | 21 points from grade 1 | 19 points from grade 1 | 9 points from grade 1 |
| Fluval 407 Performance Canister Filter | 53/100 | 6 points from grade 0.22 | 8.9 points from grade 0.37 | 10.5 points from grade 0.5 | 19 points from grade 1 | 9 points from grade 1 |
Top scorecards
| Dimension | Weight | Definition |
|---|---|---|
| Maximum Rated Tank Size | 27% | Published listings put tank size gal max between 15 to 400; higher numbers score better, and a missing value stays neutral. |
| Published Flow Rate | 24% | Across the catalog, listed flow rate goes from 65 to 925; higher numbers score better, while a missing entry stays neutral. |
| Filtration Stages | 21% | Listed media stages runs from 2 to 4 across the scored catalog; higher numbers score better, and unlisted values score neutral. |
| Filter Architecture | 19% | Listed filter type is graded on the Sponge-to-Canister scale — the higher rungs score best, and a missing value stays neutral. |
| Priming Convenience | 9% | This dimension maps listed priming method from Manual to Self Priming; top scale values score highest, and missing stays neutral. |
Plain English
SnoutPicks ranks products with the same published criteria on every page: public weights, dated source records, and no reviewer bias. No cherry-picked review units or private scores decide the order; the data finds the best fit for your needs from the specs we can verify. Specs are recorded for the exact model listed: the specific SKU the manufacturer publishes, not a whole product family. We earn a commission when you buy through our links. Commissions never affect scores or rankings. The scoring math is published, so you can check it yourself.
