Fluval Aquarium Underwater FilterBy Fluval
About This Item
- Optimal water filtration system for aquariums that ensures proper oxygenation for clear water and a healthy environment.
- Fine foam pad traps small debris while bio-foam captures larger debris and nitrifying bacteria.
- Adjustable 3-way flow control—top output for circulation and oxygenation, integrated spray bar for a gentle even flow, and bottom output for deepwater agitation.
- Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement.
- Ideal for freshwater, saltwater and reptile environments.
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|Capacity (Max)||N/A||N/A||N/A||N/A||Up to 20g|
Questions & Answers
22 Customer Questions
ReviewsWrite a Review
74 Customer Reviews
Stopped working 3 months in , wouldn’t recommend-I cleaned it out every week as recommended religiously the way the instructions state -and that seems to be the census I’m seeing on these reviews
2 months in
And it just stopped working for NO reason. One day was fine the next nothing. Would not spend the amount for 2 months working
Wish I had bought this filter years ago, very a quiet, the fish are very happy.
Nice product but cheap impeller blades break within a year of purchase
Great product. Except the green spinning blades on the impeller assembly. Fluval won't mail you just the 25cent replacement plastic. They sell the full magnetic impeller assembly for $17. A new filter costs ya $37. Do the math - Fluval customer service sucks and they only care about selling more. Not helping their knowlegable customers with a quick easy repair option ...
Not a Great Product IMO
This is also my second one of these filters. The first one didnt work when I received it, so Chewy replaced it at no charge (their service is top notch). The second one just died after only one year of use. Literally just stopped working. What is happening with Fluval? My first Fluval filter lasted for years. Kind of mad about it. All done with the brand.
Quit working within the week.
I was happy with this filter at first, as it is easy to assemble and looks good, doesn't take up much space, was very quiet and worked well. However, within the first 7 days of use, the filter started making a very loud noise and foaming up the water/making the water extremely dirty. Cleaning and maintenance to the filter does not fix this issue. I've had it only about two weeks and it is completely unusable. Ultimately would not recommend for more than a couple day holdover.
I don’t get it!
It’s very confusing. The directions really don’t help either.
I would recommend this filter for anyone. Fluval is top notch in my opinion
Possibly Need more Help on this Filter
So, yeah, I might need more help on this filter. Not a lot of water pressure/flow coming out. Kinda easy to assemble. No idea how much the replacements are going to cost on the filters, and the tank is still kinda cloudy. Maybe I need to give it the rest of the week, but I have a 20 gallon tank, and this is for a 30 gallon. Maybe I'm missing something.
Works well if you only need it for one year
I really loved this filter but this is the second one that has failed right around the 1-year mark. I’m going to have to try something else.