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MarineLand Penguin Bio-Wheel Power Filter

MarineLand Penguin Bio-Wheel Power Filter


(10 customer reviews)
Last updated on September 28, 2022 3:00 am Details
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  • WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
  • MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
  • COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
  • FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.

Specification: MarineLand Penguin Bio-Wheel Power Filter

Is Discontinued By Manufacturer


Product Dimensions

8.25 x 6 x 7.38 inches, 1.86 Pounds

Item model number




Date First Available

June 24, 2004



Country of Origin


Domestic Shipping

Item can be shipped within U.S.

International Shipping

This item can be shipped to select countries outside of the U.S. Learn More

Photos: MarineLand Penguin Bio-Wheel Power Filter

10 reviews for MarineLand Penguin Bio-Wheel Power Filter

3.4 out of 5
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  1. Chris Deger

    I would recommend this unit it is a little powerhouse.
    One thing I would say is to throw out the filters that you buy with the unit and look up a more efficient method like using pot scrubbers and aqua clear 70 sponge as biological and material filtration. A quick youtube search will show you better methods.

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  2. Amazon Customer


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  3. Jorge

    Received this filter today very happy and excited to set up. The set up was a breeze and I got it to run pretty quick.with that said it didn’t take long for the “bio-wheel” to start acting up first one of them stopped turning so I checked and made sure set up was properly installed. Everything checked out. Back in business, sure enough the next one stops spinning I too check that one everything was OK.. So both start working…AND guess what now they both stopped spinning… Those wheels are a Gimmick…. Either I received defective bio wheels or this entire thing doesn’t work…

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  4. Earthling1984

    So, a few months back I purchased a Penguin 350 at a local store. It ran ok for about 3 months. Then it started getting LOUD! We are talking very loud. I took it apart two times and tried to clean it and get it working quiet again (it wasn’t even dirty). Didn’t work. Super loud rattles and noises constantly (that you could hear from a couple rooms away)! I saw online that a new impeller was around 20 bucks or so. I also saw that the Penguin 200 was about 20 bucks at the time. So, I decided to get a Penguin 200. I still have a lot of filter pads (about 10) for the 200 / 350 series, so, it was a cheap way to use more of my filters. Well, I’ve had the Penguin 200 for 23 days now. I’ve used just two of the about ten filter pads I have for these filters. Now, this 200 sounds as bad or worse than the 350 did! Grinding, rattling, constant noise! In less than a month! I am going to see if Amazon will take it back even though I didn’t keep the box. These filters are crap. I always liked Marineland products; used many in the past 25 years. But, these Penguin filters are just horrible! So bad that I will never buy a Marineland filter ever again. Get something else, do NOT get one of these filters! They go bad super fast. I have some other branded filters that are still working silently after 10 years! These made it weeks, or months for the 350, before going bad. Very disappointed.

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  5. Alejandro Gonzalez Cruz

    Simplemente uno de los mejores filtros que he comprado, silencioso, se autoceba y con suficiente espacio para modificarlo como en mi caso y aumentar su capacidad de filtracion, compre el Marineland Penguin 20 to 30-Gallon en 275pesos!!!!!! ni el mas chafa filtro cuesta eso en mexico y con envio gratis!!!!
    Estoy totalmente contento con este modelo y marca.


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  6. Amazon Customer

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     This is our second one in two years. First one lasted a year before stopping completely. This next one lasted a cpl months. Bio wheel just stops working. So unimpressed.

    Tried to give it one last try as it was on sale. Ordered it Dec 2. Installed that day. Stopped working today Dec 23. Unbelievable.
    See video.

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  7. Tea Lover

    Originally I bought this for a Betta tank, but it was a disaster. Blew around the poor fish like he was in that movie Twister.

    But, I’m a crazy fish person who has a bunch of tanks so it was bound to go to use some where.

    I now use this in my 10 gallon Quarantine tank. I stuff it with my own filter floss and ceramic rings. The container is generous in size so I fit two layers of floss and a good amount of bio rings. I don’t use the biowheel. It spins too flow but maybe that’s because I have too much of my own media in there. Regardless, I just don’t think it is necessary or all that effective, but I don’t know much.

    I use this in a bare bottom tank, so I can attest to it working effectively to keep the water column clean and free of debris and gunk. The tank is pristine and crystal clear.

    It does NOT have adjustable flow, which kind of sucks. So I can’t tell you to use it for anything under 10 gallons. It does have a slot on the upper part of the intake tube that you can close off, so that comes in handy.

    If you’ve got a 10 gallon tank, this filter would be great providing that the fish do not need still water like a Betta. It’s going to turn the water over 10 times an hour and having seen it with my own eyes, it does an excellent job of keeping a clean tank!

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  8. Shiprekd

    I used to work as a marine biologist for a major state aquarium. Marineland bio pumps have been around forever. I have been using them for both salt and freshwater tanks in gallon sizes ranging from 10-200. All have worked flawlessly and I will continue to use them as both primary and secondary systems. They are far superior to anything except canister systems BUT in some ways, better than canister filters due to ease of maintenance. I will pick 3-4 of these at one time over a single system any day. Simply, one goes down (breaks), another is still keeping your tank clean and filtered. Please read!!! your fish and you will be much happier and stun everyone else…


    1) You don’t have to shut it down. Pull the cartridge, rinse the new one with distilled water, slowly replace it back in the formed slots. No shutting down valves, seals/o-ring probs etc..

    2) They’re pretty quiet but can get the “bubbling noise” when your water level drops below a certain point.Typically just below the flat part of the outlets. It won’t hurt it or the fish if it does, it just gets that “noisy” waterfall sound which some, people feel it’s soothing. Keeping the water level up is a good thing and remember, those bio wheels add oxygen to the water. Canisters don’t.

    3) They are easy to fix unless the actual motor goes bad. A wheel sticks? clean the roller pins and slots. 5 minutes. Impeller stops? try pulling and just clean the surfaces of the magnet and cavity; again a 5 minute job. You do have to unplug it for those two jobs.

    A) Do yourself a huge favor and buy an extra set or two of cartridges. They are easily found from mom-n-pop pet stores to large chain stores. You CAN rinse the old ones in an emergency.

    B) Go to the grocery store and get a gl jug of distilled water and keep it. Reason? tap and even well water has trace elements and minerals that will kill the beneficial bacteria and cause a cloudy white appearance (bacterial bloom) for a cpl days.

    C) Motor/impeller maintenance – Unplug the pump. Lift the cover off, grab the intake tube (square) and slightly wiggle while pulling upward. Clean with a paper towel and white vinegar on the rubber “grommets” and silver pins you see.Basically, make sure everything that is suppose to spin, does so smoothly.

    D) Bio wheel sticking – Just lift the cover off. No need to unplug. Lift the sticking wheel outuse a Q-tip to clean the slots where the wheel rests. Lightly clean the silver roller pins on the ends. Replace. DO NOT CLEAN OR WASH the paper wheel itself.

    Sounds like work?? it’s not… A canister or in tank filter is ten times more work and messy.

    These are awesome filters.. Get it and take heed to what I wrote. You’ll be happy with it….

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  9. Maritime fun times

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     Works great.. soon as u dropped the filter in after letting bio wheel get started. There was a littel milkyness i didn’t think would dissipate but this thing sucked it totally clear.. happy so far..
    When drain is bleeding on the overspill gutter. Your filters are jammed meaning no flow rate to bio wheel to beat this rinse you filters in tankwater when you see overspill.
    This tem works amazing properly maintained.

    If ur combating alge like I was you will need to rinse filter more often.

    Cheers and enjoy! Love this thing

    I added charcoal bags in there as lots of room to jam mida in casing. Love this thing..
    Rember if you loose power clean impeller casing and magnet to clear Alge.

    Absoulylty great unit. bio wheel works great.. ( properly maintaind) .. rinse filter in tank water more often if your running alot of bio mass.

    Update bio wheel finely slowing down. Means its working. Rotating alot slower with intermittent pauses.. means you did it rite. Love this thing

    Update month later going strong. Generate!

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  10. Erica

    So when I got this filter , I thought wow this is loud and annoying but does its job. Well, its not loud if you read the instructions right. If you dont know what that is, Google it. The impeller at the end of the tube that goes into the water has to be pulled off and placed in the small hole in the filter. Once that is in correctly, its very very quiet. I almost returned it!!! It’s the simplest fix and now it doesnt make ANY NOISE. and my tank is spotless! I wish instructions were more clear on the impeller part as this wouldn’t have so many complaints on the noise!

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