Aquarium Filters · owner-verdict comparison

Eheim Classic 2217 vs Fluval FX6: what real owners say

Real owners rate these about evenly: 82% of 80 Eheim Classic 2217 owners recommend it, vs 77% of 349 for the Fluval FX6.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Eheim Classic 2217

82%of 80 owners recommend
82% recommend · 3% neutral · 15% don't
Owners praise
  • Lasts for years to decades / built to last
  • Easy maintenance, backwashes into a bucket
  • Excellent biological / over-filtration
Owners complain about
  • Media isn't in easy lift-out baskets
  • Flow leaves dead spots, may need a powerhead
Full owner report →

Fluval FX6

77%of 349 owners recommend
77% recommend · 8% neutral · 15% don't
Owners praise
  • Keeps water crystal clear
  • Huge media capacity and powerful flow for big tanks
  • Long intervals between cleanings
Owners complain about
  • Expensive, especially next to SunSun
  • Large, needs a tall cabinet or floor clearance
  • Finicky to prime and gurgles when not below water level
Full owner report →

What Eheim Classic 2217 owners say

“loving the canister. very quiet”
— @T_Quik on YouTube
“If I had to choose again I'd probably buy two Eheim. Though the Fluval is a bit easier to maintain and it does suck up fish waste better, the noisy impeller and crappy build quality of it has kind of turned me off it.”
— Mun-Mun on Reddit
“My life would be easier and my tanks would look better if I had only bought Fluvals!”
— @shavinmccrotch9435 on YouTube

What Fluval FX6 owners say

“I use fx6 on my bowl betta tank and his happy.”
— @linslins4860 on YouTube
“I have an fx6 running on my tank and it’s the best I have ever used.”
— @MrBertie1982 on YouTube
“If it wasn’t for all those screws just to open it…”
— @deShadua on YouTube