Marineland Bio-Wheel Emperor 400 Aquarium Power Filter, 80-gal
Using advanced filtration technology, Marineland’s Bio-Wheel Emperor Power Filter helps keep your aquarium crystal clear. It offers complete three-stage filtration for both freshwater and saltwater tanks. The Rite-Size filter cartridge traps debris and removes odors and discoloration, providing mechanical as well as chemical filtration. An extra-large BIO-Wheel rotates to cultivate the beneficial bacteria that remove toxic ammonia and nitrates from the water. The Bio-Wheel Emperor filters 400 gallons per hour for aquariums up to 80 gallons and almost twice the filter cartridge capacity of comparable models. With a dual-impeller design and efficient flow, this powerful filter contributes to a healthier environment for your fish.
Key Benefits- Offers complete three-stage filtration (mechanical, biological, chemical) for both freshwater and saltwater tanks.
- Filter cartridge traps debris and removes odors and discoloration, providing mechanical as well as chemical filtration.
- An extra-large BIO-Wheel rotates to cultivate the beneficial bacteria that remove toxic ammonia and nitrates from the water.
- The Bio-Wheel Emperor filters 400 gallons per hour for aquariums up to 80 gallons and almost twice the filter cartridge capacity of comparable models.
- Features a dual-impeller design and efficient flow, this powerful filter contributes to a healthier environment for your fish.
Compatible Products
Keep your system working smoothly with Marineland filter cartridges.
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Item Number105641
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Dimensions17 x 10.5 x 7 inches
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Aquarium TypeFreshwater, Saltwater
Daily: Check to ensure filter is running. Check to ensure that the Intake Tube, Strainer, and Mid-Level Strainer is not clogged with debris. Check to ensure that the BIO-Wheel(s) is turning. NOTE: The speed at which the BIO-Wheel turns does not matter. As long as the BIO-Wheel(s) is turning - even intermittently - it is functioning properly.
Weekly: Check to ensure debris build-up is not hindering the flow of water through either the Rite-Size "E" Filter Cartridge(s) or optional Media Container(s). Check to ensure an adequate amount of water is entering and leaving the BIO-Wheel Power Filter. Check to ensure BIO-Wheel Bearings are clean and allow the BIO-Wheel to rotate freely. Clean BIO-Wheel Bearings if necessary.
Monthly: Unplug the Emperor BIO-Wheel Power Filter. Remove the Filter Cover. Remove the Intake Tube, with Strainer, optional Intake Extension Tube, and optional Mid-Level Strainer attached. Gently lift up on the Intake Tube by grabbing the Tube near the top and slowly sliding it up and away from the Filter Box. Remove the Spray Bar(s). Locate the Spray Bar Release Clips, between the Spray Bar Adjustment Knob(s) and the Filter Box. With your thumb and index finger, push both sides of the clip(s) down. NOTE: Do not squeeze clip(s) sides together. This could cause the clip(s) to break. Grasp the Spray Bar Adjustment Knob(s) and gently pull the Spray Bar(s) out and away from the Filter Box. Clean the Spray Bar(s) Using the included Cleaning Brush, thoroughly clean out the interior chamber of the Spray Bar(s). Lift the Flow Manifold Housing up and away from the Filter Box. NOTE: You must first remove the Spray Bar(s) before attempting to remove the Flow Manifold Housing. Failure to do so will prevent the Flow Manifold Housing from being removed and could bend and/or damage the Spray Bar(s). Clean the Impeller. Clean the Intake Tube, Strainer, optional Intake Extension Tube, and optional Mid-Level Strainer. Replace the Filter Cartridge with a new Rite-Size "E" Filter Cartridge. Rinse and/or replace any optional course filter media. Siphon-clean the gravel bed. Complete a suitable, partial water change. Re-assemble all components and the Emperor BIO-Wheel Filter System. Create a drip loop and plug the Emperor BIO-Wheel Filter back into a standard receptacle.
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Prior to installing your Emperor BIO-Wheel Power Filter, remove each component from the box, check for any shipping damage, and familiarize yourself with the Parts List (included with the product or found below).
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Install Emperor Rite-Size "E" Filter Cartridge(s)
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Thoroughly rinse cartridge(s) under cold water to remove any dust.
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Shake cartridge(s) horizontally (blue side up), to evenly distribute carbon over ribbed back.
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Slide cartridge(s) into Filter Cartridge Channels (narrow side down, ribbed back facing towards aquarium).
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Be sure each cartridge is securely seated in bottom channel.
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Open each container by exerting pressure on one side of the Tension-Tab Closure.
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Lift Top Panel of container away from bottom.
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Fill entire Bottom Panel with 4 ounces of your preferred course media, ensuring all media is spread throughout each of the individual filter chambers within each cartridge. DO NOT NOTE: Fine media must be placed in a mesh bag inside of the refillable media container to avoid leakage into your aquarium system.
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Re-attach Top and Bottom Panels together, ensuring the container is securely closed.
- Rinse container and media under fresh, cold water to remove any dust.
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Slide container(s) into a Media Container Channel.
NOTE: For optimal mechanical filtration, Emperor Rite-Size "E" Filter Cartridge(s) and Media Container(s) should always be positioned with the Filter Cartridge(s) in front of the Media Container(s). As an alternative, additional Emperor Rite-Size "E" Filter Cartridge(s) may be used in place of Media Container(s).
Be sure each container(s) is securely seated in bottom channel.
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Carefully remove the paper sleeve from the BIO-Wheel(s).
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Hold the BIO-Wheel(s) horizontally and insert into the front of the filter chamber.
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Ensure each side's Wheel Tab rests securely in the BIO-Wheel Bearing.
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Hang the Filter Box in a desired location on the back wall of your aquarium.
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Assemble and Install Intake Tube and Strainer
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Slip Intake Strainer onto the long end of the Intake Tube.
NOTE: In larger aquariums - or for better water filtration - the Intake Tube may be lengthened using the Intake Tube Extension and Mid-Level Intake Strainer. Both of these components easily slip onto each other and the Intake Tube when use is required or desired.
- Slide the Intake Tube into the Flow Manifold Housing, by guiding the Intake Tube Guides on either side of the Intake Tube into the Tube Slots of the Flow Manifold Housing. This holds the Intake Tube securely in place.
NOTE: Be sure that the Tube fits securely in the Housing Collar. Once in place, the Tube should not wobble. If Intake Tube is not properly seated, filter will not operate.
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Pour aquarium water into the Filter Box until it spills into the aquarium. NEVER allow the Emperor System to operate without water at any time.
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Replace Filter Cover.
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Start your Emperor System
NOTE: Filter will make a bubbling sound as air is evacuated from Intake Tube. Once air is removed (approximately 40 seconds), filter will fill and water will begin to flow back into the aquarium. Water flow through the Spray Bar(s) will initiate rotation of the BIO-Wheel(s).
- Adjust BIO-Wheel Rotation by turning the Spray Bar Adjustment Knob(s) up or down to change the angle of water flow. Do not attempt to force Spray Bar(s) past the range allowed by the bar lock(s).
NOTE: Adjust the Spray Bar(s) to rotate slowly. Faster rotation does not enhance performance. Periodically check the BIO-Wheel rotation by lifting the hinged cover.
Customer Reviews
98% Recommend
98% of reviewersrecommend this product
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All 42 Reviews
Showing 1-10 of 42 Reviews
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Great Filter
By Tyler on Dec 8, 2018
I bought two of these filters for my 75 gallon aquarium. I don’t think you will find anything better for the price. I had some pretty heavy stocking for about six months and it kept my water crystal clear. I’ve had them almost a year now. One of the filters lost a bit of suction and I think the impeller needs to be replace as I cannot manage to fix it. I recommend not buying the pre made filter cartridges as they get expensive. These great filters thankfully come with a tremendous amount of space to stuff sponges in. It comes with two empty filer catridges which I put activated carbon and a tiny bit of ammonia reducer when needs. The fact that these filter come with so much room and the ability I bought two of these filters for my 75 gallon aquarium. I don’t think you will find anything better for the price. I had some pretty heavy stocking for about six months and it kept my water crystal clear. I’ve had them almost a year now. One of the filters lost a bit of suction and I think the impeller needs to be replace as I cannot manage to fix it. I recommend not buying the pre made filter cartridges as they get expensive. These great filters thankfully come with a tremendous amount of space to stuff sponges in. It comes with two empty filer catridges which I put activated carbon and a tiny bit of ammonia reducer when needs. The fact that these filter come with so much room and the ability to customize the media to your needs is unbelievably amazing. Worth the money. … more
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Worked great!
By BJarvis on Feb 13, 2019
Would def buy again. Using in a 55 gallon freshwater. Will tell you... when turning on it WILL run rough and sound broke UNTIL you fill tank up to bottom of filter spill over. Just saying I learned the hard way.
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Great Filter!
By Ryan on Dec 21, 2018
This is the best fliter I've ever owned! It's quiet for the size and filters the water great for a 55 gallion aquarium! Highly recommend!
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Loss of prime
By Steve on Nov 11, 2018
I like everything about this filter except that it looses it's prime when there's a power failure. When power returns filter sucks air and rattles loudly until you pour water into pump housing.
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The best filter
By Ivana on Dec 28, 2018
I have two of those, and there is no better. Easy setup, great performance and very easy to maintain. Great buy!
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Marineland Bio Wheel Emperor Power Filter 400
By Frank on Aug 5, 2018
You can not see if the bio wheels are turning unless you pick up the solid black cover. The center intake tube is a little too high for the top black cover. The filter came with a cleaning brush to clean out the spray bars (very thought full). The filter works very well. There is no flow control to slow down the exhaust water when feeding. The old 400 filters had small plastic windows so you could see if the bio wheels were turning. Also the old 400 filters had a flow control system to slow down the exhaust water when feeding. To bad that they took those features away on the new 400 filters.
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Emperor 400
By Lailani on Sep 13, 2018
I love love this filter. My aquarium is crystal clear though the disposable filter that came with it has a cheap materials and very less carbon inside. I bought extra E disposable filter and used two extra in my filter and I’m very satisfied how clear my water is in my 75 gallon tank.
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Sturdy, reliable and does a great job!
By Motheroffuzzies on Sep 28, 2018 Top 100 Contributor
We've been using this model on my 55 gallon aquarium for many years. It's easy to maintain, well built and quiet. We have smaller models on other tanks. All of them do every bit as good as of a job as this one.
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Awesome product
By fishmaster2018 on Dec 27, 2018
These filters are great! Also the shipping was super fast. We love chewy.
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SIZE PROBLEM
By cats on Aug 23, 2018
I bought this because it said it is good for up to 80 gallons. My tank is a 120 gallon and it does not fit. It is too big. So it has been opened and tried to get it on and its no good so we had to order another. Waste of time and money.
