35% of 26 verified owners recommend the Penguin Bio-Wheel Power Filter.
Affiliate blogs here say 33% recommend, while the owner-based score is 35%. They earn a commission on every sale — so we show them for transparency but never let them move the score.
The headline score reflects owners (Reddit, enthusiast forums), independent lab tests, blogs with no affiliate links, and YouTube owner-comments when they line up with owners. YouTube and Affiliate blogs are shown for perspective but kept out here — hover the i for why.
“The bio wheels were always a hassle and I never felt they were a positive in any way except when I first bought it”
“My impellers rattled new out of the box”
“Had them babies running for 6yrs non-stop. My only complaint is the wheel stops Sometimes”
“money wise id say its the best bang for the buck”
“As much as i liked these they always stop turning and the little piece that holds the bio wheels eventually gets lost”
“after awhile the wheels stop turning and becomes less effective”
“how loud the motor noise is”
“old reliable filters that I used for years”
“Much much much rather use aquaclear filters”
“The bio-wheels do next to nothing”
“worked pretty good so far”
“all have been PERFECT”
“never been happy with the smaller marineland HOB”
“I have marinelands on all my tanks. They work great”
“I also use these filter's and I love them”
“I bought the 75galloon one and it sucks”
“all you have to do is take care of it”
“money grabbing ripoff”
“It did a great job but the only thing was it was noisy as hell and would jame up all the time”
“thing kept over flowing alot so just switch to a canister filter....but it did work good”
“I think they are excellent filters”
“sooooo loud”
“not the biggest fan of these hobs just because they seem to always to never work as good and pump as much water after a few months”
“I just bought 2 biowheel 350s and media to fill them up with for the price of an aquaclear. I love the filter”