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Aquarium Supplies for Beginners Hobbyist Professionals

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Aquarium Supplies for Beginners Hobbyist Professionals


Marineland Penguin 75 Bio-Wheel Multi-Stage Aquarium Power Filter

(5 customer reviews)

Original price was: $100.00.Current price is: $45.00.

  • Offers complete three-stage filtration (mechanical, biological & chemical)for both freshwater and saltwater tanks.
  • Rite-Size filter cartridge traps debris and removes odors and discoloration, providing mechanical as well as chemical filtration.
  • For maximum efficiency, fast-acting Black Diamond Premium Activated Carbon is used in each cartridge.
  • An extra-large BIO-Wheel rotates to cultivate the beneficial bacteria that remove toxic ammonia and nitrates from the water.
  • BIO-Wheel features noise-reducing vented covers and adjustable intake strainers.
SKU B00OYHF7RQ Categories , Brand:


The Penguin 75 Bio-Wheel Power Filter delivers effective and easy, 3-stage aquarium filtration without the hassle of air pumps, valves, or tubing. Convenient Rite-Size “A” filter cartridge comes ready to use with each filter to mechanically and chemically remove waste, discoloration, and odors. Biological filtration is provided by the revolutionary Bio-Wheel which has been proven best at removing toxic ammonia and nitrites.

All Penguin BIO-Wheel Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration. Convenient Marineland Rite-Size Filter Cartridges come ready to use with each filter…ready to mechanically and chemically remove waste, discoloration, and odors. Each contains new faster-acting Black Diamond Premium Activated Carbon for maximum efficiency. All BIO-Wheel filters feature noise-reducing two-piece vented covers and adjustable mid-level intake strainers.

The Penguin 75 BIO-Wheel Power Filter brings Penguin’s 3-stage filtration technology to aquariums up to 10 gallons. The 75 is ideal for new aquariums as well as establish tanks in need of an upgrade.

    • Three-stage BIO-Wheel filters for freshwater and saltwater aquariums
    • The BIO-Wheel delivers superior wet/dry biological filtration for nitrifying bacterial growth, eliminating toxic ammonia and nitrite
    • Multi-stage filtration for a clean healthy aquatic environment
Penguin Power Filters: Easy and Effective Filtration

Penguin BIO-Wheel Power Filters deliver effective, easy, 3-stage aquarium filtration—without the hassle of air pumps, valves, and tubing or air stones. Convenient Rite-Size Filter Cartridges come ready to use with each filter . to mechanically and chemically remove waste, discoloration, and odors. Biological filtration is provided by the revolutionary BIO-Wheel—proven best at removing toxic ammonia and nitrite.

Additional Features

  • Two-Piece Vented Cover: Designed for convenient filter cartridge access and quiet operation
  • Adjustable Mid-Level Intake: Attaches to the intake tube for improved water circulation

3-Stage Filtration

Stage 1: Mechanical Filtration

  • At this stage, the Penguin Rite-Size Filter Cartridge floss screens out dirt and debris and utilizes a patented ribbed back for maximum water to carbon contact.

Stage 2: Chemical Filtration

  • Black Diamond Premium Activated carbon works to remove odors, discoloration, and impurities.

Stage 3: Biological Filtration

  • The patented BIO-Wheel eliminates toxic ammonia and nitrite on contact and is designed to grow the beneficial bacteria needed for biological filtration. The BIO-Wheel now features 50% more surface area.

Pick the Right Filter for Your Size Aquarium

ModelCertified Flow RateAquarium Size
Penguin 7575 GPHUp to 10 gallons
Penguin 100100 GPHUp to 20 gallons
Penguin 150150 GPHUp to 30 gallons
Penguin 200200 GPHUp to 50 gallons
Penguin 350350 GPHUp to 70 gallons
Start-Up and Maintenance

The Penguin Power Filter requires virtually no set-up, making it perfect for any fish lover. Simply follow the manual in connecting the parts and then hang the filter onto the back of your tank. Be sure to prime your filter with aquarium water before you plug it in. Once you have set-up your filter you can adjust the water flow by using the mid-level strainer. After the initial set- up the maintenance of this filter is quite easy. Simply remove and replace the filter cartridge after approximately one month and clean the filter as needed. It is also important to maintain an adequate water level in your tank to ensure your Penguin Power filter runs quietly and efficiently.

Find the Rite-Size Filter for You

Each Penguin Power Filter comes with one Marineland Rite-Size Filter Cartridge. Take a look below to see which cartridge is correct for your filter and ensure proper maintenance.

Rite-Size A CartridgeRite-Size B CartridgeRite-Size C Cartridge

Fits Penguin 100 & Mini Power Filters

Fits Penguin 125, 150 Power Filters

Fits Penguin 170, 200, 330, 350 Power Filters

Tetra Water Care

Tetra sets the bar high in water care treatment and maintenance with a four-step, color-coded system. From aquarium start-up and routine maintenance to troubleshooting solutions and testing, Tetra offers everything you need to keep your aquarium water healthy. Take a look at the chart below to see the full line of Tetra water care treatments and testing supplies.

Additional information

Weight1.3 lbs
Dimensions5.31 × 5 × 7.56 in
Filter Location

Filter Type

Flow Rate


Tank Capacity

5 reviews for Marineland Penguin 75 Bio-Wheel Multi-Stage Aquarium Power Filter

  1. L’ Meow

    Mixed reviews:Depending on the size of the tank, you’ll either love it or hate it. I love it for my nano and for the price, I keep buying them for future nanos.The Penguin 75 is a power-house filter for a nano tank. On my rimless 7. 5 g tank, it acts as if though it were custom built. I get great performance and a rich stream of micro bubbles distributed throughout the tank.However, on a 10 g tank, it seems to spit and sputter. I don’t recommend it for the 10 g or higher.

  2. D. Kaelin

    I am a huge fan of Penguin BIo-Wheel fish tank filters. I was ecstatic to find the new 75 Power model because my tank is only 3 gallons. I can use it and my Betta isn’t flattened against the side of the tank. I previously had the next size up which was designed for up to 20 gallons (this one is for up to 10 gallons) and had to put in a large artificial plant that was taller than the water line to break up the flow. I used the filter insert from my old filter in this one (they use the same filter medium) and, with the Bio Wheel there to catch the bacteria, did not have any cycling problems in my tank. The ammonia level stayed negligible.

  3. joseph Schwanz

    Works great!!! Use it in my 5 gallon hospital tank. Not sure what most are complaining about because the flow is not too strong at all!!! I’ve had fry in there that swim around fine with no issues. Great filter!!

  4. Amazon Customer

    I recently bought a 10 gallon kit that came with a Tetra Whisper….. Whisper, it did not. The Tetra Whisper roared like an angry lion with an ingrown toenail. I researched online and did everything to shut the thing up. Eventual solution was to put it out of my misery (and my fish). I have a Penguin 150 in my 20 gallon and all I hear is the water gently splashing and agitating the surface. So, I decided to try the Penguin 75 for the 10 gallon. Am so happy now. No sound but lapping water. Only thing is that the bio-wheel doesn’t always turn (on both Penguins). But, the fish have all assured me that they don’t mind. I’ll always buy a Penguin!!!!

  5. Tammy Wyatt

    Works really well, filters change out easily & quickly, the filter itself is actually on the quiet side. Filters are not very expensive either.. I Would recommend this filter

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