Penguin® Power Filters

Product No. PF0100B
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All Penguin® BIO-Wheel® Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration.

Convenient Penguin Rite-SizeTM 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. Biological filtration is provided by the revolutionary and patented BIO-Wheel - proven best at removing toxic ammonia and nitrite.

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.

I have the new Marineland 400 , one bio wheel turns really good other one does run very good at all and stops ? Can you tell me how to fix ? Doesn't matter how high I set the water pressure .

Asked by: Canadian Male
Check the bio wheel bearings at each end and make sure they are properly inserted. Smear a very thin amount of silicone lube on them to help make it rotate. If you continue to have issues, please call us and we will replace the bio wheel for you. 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-01-30

We just bought a 55 gallon aquarium for our turtle. it came with a bio wheel filter. the problem is we don't fill the tank to the top so the filter doesn't work. What can I do?

Asked by: Jennifer123
This filter is not recommended for turtle tanks for that reason. Your water level absolutely must be above the mid-level strainer. The only way you would be able to do that is if you have a screen top or a turtle topper over that part of your tank, because the water level will be within 2-4 inches of the top of the tank. BREX
Answered by: BREX
Date published: 2017-01-30

The filter out of the box will not turn on when plugged in. This is straight out of the box. The level is to the outtake, filter is primed with water. I have tried two and its the same problem. What is the problem?

Asked by: Mklein
Pull the intake tube, impeller housing and impeller out of the filter box and re-seat them. The impeller may have been knocked out of position during shipping, and this should start it for you. Make sure, of course, that there is water in the filter box before plugging it in. If you are unable to resolve this issue, please call us directly at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-02-06

My Marineland Penguin Power Filter Model: 75 did not come with the impeller housing or the impeller/magnet assembly. What should I do?

Asked by: Emily85
We are sorry to hear your filter is missing some parts, and will reach out to you directly via email. You may also call us at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-01-25

My bio wheel 350 is making a very obnoxious rattling sound. I have thoroughly cleaned my filter and impeller. What can be done about this as it is unbearable to run.

Asked by: Josh Albright
We are sorry to hear you are having this experience with our filter. This is not reflective of the brand or the company's reputation. Here are some things to try if you have not done so already: - remove the impeller again and soak it in distilled white vinegar for about 15 minutes. Swab out the motor region of the filter as well, with a q tip and vinegar - are you using sand? If so, it has probably been pulled into the impeller and is either caught under the magnet or has worn grooves in the shaft and/or magnet. This means you will need a new impeller. Always place a pre-filter over the strainer or some filter floss inside of it to prevent sand from damaging a filter system. - is there a bubbler in the tank? If so, and it is near the intake tube of the filter, move it away. Air bubbles will travel the tube and get caught around the impeller, causing it to rattle. If you are unable to resolve this issue, please reach out to Marineland directly via 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-01-25

My filter is leaking water past the intake tube some of the water is getting filtered but a good bit is coming back into the tank unfiltered by the tube? Do my filters just need to be changed?

Asked by: Tja93
This is usually indicative of a clogged filter cartridge or impeller assembly. We would recommend unplugging the filter and removing it from the tank. Take it completely apart and clean all of the parts, paying close attention to the impeller and the motor region at the bottom of the filter box. BREX
Answered by: BREX
Date published: 2017-01-25

1st problem is rectangular suction pipes vs older models with round pipe. Do you offer any filters with the round pipe? 2nd problem, my Marinelands do not turn the bio wheel without a lot of cleaning and manipulation. Are there newer models that work?

Asked by: MikeSmith
I have owned a number of these and if the meadia is a little bit dirty water back over a spillway at the suction tube. Instead, the filter cartidge should be lower to allow the excess water to pass over and contact the bio wheel.
Answered by: MikeSmith
Date published: 2017-01-23

My filter won't suck up any water???

Asked by: Mattyk4285
Make sure the tank is filled up to the top. Also, fill the filter with water as well. If this is an older system that has been in use for a few months, then remove the impeller and clean it with white vinegar by soaking it for about 15 minutes. Also clean out the bottom of the filter box with a twisted paper towel and vinegar, and run a wire brush up inside the intake tube. BREX
Answered by: BREX
Date published: 2017-01-23

how often does the bio wheel need to be replaced?

Asked by: purplejeff
It should only be replaced if it becomes damaged or warped, otherwise, it needs no replacement at all. BREX
Answered by: BREX
Date published: 2017-01-23

I am moving. My aquarium will be Dry and Stored for several months.  I've run a Penguin 350, since April 2015 (Now Jan 2017). When I set up my system again in late Spring or early Summer 2017, Can I reuse my Bio wheels or better to acquire New Ones?

Asked by: APM37
As long as they do not become torn, warped or damaged in any way, you can certainly use them again. BREX
Answered by: BREX
Date published: 2017-01-18

My granddaughter has a 20 gallon tank with a bio-wheel 200, 9 goldfish and a betta in it.  The filters (my daughter puts 2 in) are constantly filthy; she can take the entire filter apart, clean it, and the next day it is dirty again.  What can she do?

Asked by: Gram
Your granddaughter's tank is way overstocked. Goldfish require a minimum of 2-3 gallons of water per inch of fish, and are producers of copious amounts of waste. As goldfish grow up to 14" in length, a 20 gallon is considered suitable for only two goldfish up to 3" in size. Hence, the dirty filters. Until she can re-home some fish, buy a much, much larger tank or build a pond, she can either add a second filtration system to the tank, or do partial water changes once a week by vacuuming the gravel and removing/replacing 30% of the water. Also, make sure she is not feeding too much. She should feed once a day, one to two pieces of food per inch of fish or enough for them to finish in under 1 minute. BREX
Answered by: BREX
Date published: 2017-01-16

I have an existing aquarium. I am using the marineland filter. I have an extra bio wheel that I want to replace the old one with. How do I condition it before replacing? Thank you

Asked by: Regan
Float the new bio wheel in the tank for about one to two weeks, before swapping it with the old one. BREX
Answered by: BREX
Date published: 2017-01-11

How long do impellers typically last 

Asked by: Tspike
I have a 150 gallon tank with 2 emperor 400's. My fish are messy (2 electric blue dempsey's, and 2 firemouth cichlids. I clean the filters and change the impellers every 6 months. Impellers are cheap.
Answered by: Justin the Dempsey dude
Date published: 2017-01-11


Asked by: SMITTY57
Thank you for your interest in this Marineland product. No, they come with filter cartridges that contain carbon and 1-2 bio wheels, depending on the model. You can purchase a media container separately, though, and add ammo chips to it to add to the filter. These fit the 200 and 350 models. BREX
Answered by: BREX
Date published: 2017-01-09

 I have a marine land power filter model 400 every couple of days the spray bar stops working I have to pick up the stem and then It will start to work again it's only six months old then the bio wheel doesn't work 

Asked by: Bob s
Sounds like you need to do some maintenance on it. Filters should be taken apart every couple of months for cleaning. Disconnect the spray bars from the flow manifold housing, then pull the housing out, along with the intake tube and impeller. Clean all of the parts well, but especially clean the impeller and the well of the motor in the bottom of the filter box where the impeller resides. After cleaning, make sure the flow manifold cover is staying on the bottom of the flow manifold housing correctly. If it is loose or missing, this causes the spray bars to not work properly. If you need additional assistance, call 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-01-09

I have my filter set on a timer that turns off every night. And when morning comes around my filter won't pump any water unless I physically pour water in the back of the filter! What's is going on here? I have the penguin bio wheel 200. 

Asked by: Tfishman
 In my experience you're not supposed to shut your filter off your killing all the bacteria and putting stress on your fish that's why when you have a power  failure you are supposed to change 50 percent of the water 
Answered by: Bob s
Date published: 2017-01-09

Good evening! I have Marineland - Penguin 350. It does a VERY nice job with circulation and filtration, but it is extremely loud. Is this normal? The impeller is obviously working but the rattling sound can be heard three rooms away.

Asked by: HeidiAnderson
We are sorry to hear you are having this experience! No, this would not be normal. If you have sand as a substrate, you may have pulled some into the filter. this will create a lot of noise, and rapidly damage the impeller. You would want to completely clean the impeller and the bottom of the filter box where it resides then put filter floss in the bottom strainer or put a pre-filter sponge over the strainer. If you do not have sand, but have a bubbler near the intake tube, the bubbles will go up the tube, and cause a tremendous amount of rattling. If neither is the case, then we would recommend removing the impeller and impeller housing, and checking for any hair, sludge, hard water deposits, carbon dust, etc., cleaning the filter box and the impeller well, and then re-seating everything. If this does not resolve the issue, please call us directly at 1-800-322-1266 for assistance. BREX
Answered by: BREX
Date published: 2017-01-05

Hello - can the Marineland Penguin 150 filter be used for sand bottom fish tanks? Thanks, Mike

Asked by: Mike B
Thank you for your interest in this Marineland product Mike! Basically, sand is a detriment to most filters, if you do not take precautions. You can make sure the intake tube is not more than halfway down in the tank, the bottom strainer is filled with filter floss or use a sponge pre-filter on the bottom strainer. BREX
Answered by: BREX
Date published: 2017-01-04

I would like to add a pre filter sponge to the intake of my penguin 200 power filter. any suggestions?

Asked by: scary
Marineland does not make a pre-filter sponge at this time. However, there are several on the market that are for this particular purpose, manufactured by other brands. You can also use filter floss instead of a pre-filter sponge. BREX
Answered by: BREX
Date published: 2017-01-03

is the bio flow mini filter discontinued? It uses size P cartridges I cant fund anywhere. This came with an Escape 5 kit we got as a gift.

Asked by: RonnieShay
Thank you for your interest in these Marineland products! No, it is not discontinued, it is sold in almost all of our small kits. The Rite Size P cartridge is available ONLY through Petsmart. If you are unable to find it in a Petsmart store, you can purchase them here: BREX
Answered by: BREX
Date published: 2017-01-06

I have a penguin 150 (came in my 20 gallon kit) my issue is that without a cartridge installed the biowheel spins just fine. However when a cartridge is installed it doesn't rotate at all. How do I fix this?

Asked by: Nick Rha
Thank you for purchasing a Marineland product! Make sure the water level in the tank is to the top of the tank. Also, the cartridge should be facing the back of the filter, with the black plastic side facing the bio wheel. And last, make sure nothing is clogged or dirty, such as the impeller assembly or the well of the motor. If you are unable to resolve this issue, please call us at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-12-30

We just installed our new Penguin 200 system & the impeller is very loud with a rattling plastic noise.  We've done everything recommended in the troubleshooting guide with no success.  The biowheel also doesn't spin in spite of decent water flow. ???

Asked by: Dawn351
Thank you for purchasing this Marineland product; I am sorry to hear this is happening. Remove the filter from the tank, take out the intake tube, impeller housing and impeller. Check to make sure everything looks correct, and there is no damage or warping. Taking a q tip, run it down into the well of the motor to check for any grit, gravel, sand, etc. If you are using sand, check under the magnet and blades on the impeller assembly for any and remove it. Place filter floss inside the bottom strainer to keep sand from being pulled into the filter. If there is no sand, make sure the water level in the tank is to the top of the tank, and then re-install the filter system and prime it with water. Re-attach the impeller to the impeller housing, and then re-seat them. Start the filter up again. Make sure the purple bio wheel bearings are properly in place, and the bio wheel is not warped. If you continue to have either issue, please call us directly at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-12-29

My new Penguin 350 is making tons of mechanical noise. Not sure what to do. It's created quite a bit of flow in my tank as well. Is there a way to reduce flow and mechanical noise? If not, can I switch it for a smaller filter? 

Asked by: garrettsfish123
Thank you for contacting us about this product! Mechanical noise can be due to trapped air bubbles around the impeller, an air stone near the intake tube, sand as the substrate instead of gravel, or improper seating of an impeller. It could also be an imbalanced impeller. We would recommend removing the impeller and checking it over, plus cleaning out the well of the motor in case of any buildup of grit or carbon. If you have sand, make sure ALL sand is removed from the impeller and the motor, and then place filter floss inside the bottom strainer to prevent it from being pulled up. In regards to the flow, there is no flow adjustment for this filter. However, the water moves across the surface, creating oxygen, not down into the tank, so it should not affect the fish. If you are hearing a lot of water noise, or getting a lot of splashing, make sure your water level is to the bottom of the top frame of the tank. BREX
Answered by: BREX
Date published: 2016-12-29

Brand new, out of the box. Plugged in the filter and hear the rattle for a dead silent. Checked outlets, reseated mechanism, primed it. Did everything according to other advice. Water filled to top of tank. Help

Asked by: doncald
We are sorry to hear you are having this issue. We recommend taking the filter off of the tank, and removing the water, then the intake tube, impeller housing, and impeller. Check the well of the motor to make sure some gravel or grit, carbon, etc., did not get lodged down in there. You can swab it out with a q tip, if necessary. Check the impeller over for any issues. Plug the filter box into an outlet, without water in it, and drop the impeller down into the motor (without the impeller housing - just the impeller). If it spins, rattles, vibrates, etc., you have power, you just had something interfering with the impeller. If you get this noise, put it all back together again, and re-try it in the tank. If you hear nothing, call us directly at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-12-29

My impeller isn't working any more how can I get a new one ?

Asked by: Peter42013
We are sorry to hear this! If you are within the three year warranty period of time, simply call us at 1-800-322-1266. If your filter is older, and the impeller is just worn out, you can purchase it through our website, local fish stores, or online vendors. BREX
Answered by: BREX
Date published: 2016-12-28

Hello, I have a 350 that I just purchased in my 55 gallon tank. What is the mid level strainer used for? Should the mid level strainer be opened, or closed? Thanks

Asked by: thespica93
The purpose of this strainer is to increase circulation through the tank by allowing water to be pulled in from the middle of the tank, and not just towards the bottom. Whether you leave it open or closed, or partially closed is entirely up to you and your tank's needs. I tend to remove the gray lever, and leave it open at all times in my own tank. However, leaving it closed increases flow rate slightly. BREX
Answered by: BREX
Date published: 2016-12-26

I have a bio wheel 150 penguin and the bio wheel won't spin what can I do I,re-seated the impeller but still not working

Asked by: Clay123
Make sure your purple biowheel bearings are in place, and clean. Place a thin smear of silicone lubricant on each one. Also, check to make sure the bio wheel is not warped. Seating the impeller isn't all that is needed; make sure it is clean and that the motor region is also clean. Use a q tip to swab out the motor with vinegar, and soak the impeller in vinegar for about 10 minutes. Give us a call if you are unable to resolve the issue. 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-12-25

is the anyway i can buy the blue tabs that go on the ends of the boi wheels? they're used to help the filter turn easy and keep it in place. i have a penguin 330.

Asked by: dough
Those are called bio wheel bearings. Here is a link to them on our site. Just add them to your cart. BREX
Answered by: BREX
Date published: 2016-12-25

I bought the power filter 350. What do you recommend for gravel or sand?  I have an Oscar and want to use substrate but do not want to ruin my filter. 

Asked by: J467
Great question J467! We don't recommend sand, unless you are going to place filter floss inside the bottom strainer to prevent it from being pulled up. Filter floss comes in bags of what looks like cotton. As oscars tend to dig, gravel is more suitable, and typically either a medium sized one or a mix of small and large will make the tank look more natural, and cause the least amount of issue regarding vacuuming, and oscar health. A depth of no more than 1.5" would be recommended. The deeper the substrate, the more work. Gravel can also be vacuumed, whereas sand can not, and will eventually become less attractive with the growth of algae, etc. BREX
Answered by: BREX
Date published: 2016-12-22

I just cleaned my tank and put a new filter on and plugged it up and now it won't work. What do I do?

Asked by: Kitty29
Thank you for reaching out to us; we are sorry to hear you are experiencing this issue! Pull out the intake tube, then the impeller housing, and check to make sure the impeller is okay. If so, re-seat the impeller housing back into the filter box, snugly, then place the intake tube back into it. If you are unable to resolve this issue on your own, please reach out to us at or 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-12-20
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PF0075B - Penguin 75 - 10 gal/75 GPH
PF0100B - Penguin 100 - 20 gal/100 GPH
PF0150B - Penguin 150 - 30 gal/150 GPH
PF0200B - Penguin 200 - 50 gal/200 GPH
PF0350B - Penguin 350 - 75 gal/350 GPH

Penguin Power Filter Manual 75B

Penguin Power Filter Manual Models 100B, 150B, 200B and 350B  

Penguin Quick Set Up Guide Models 100B, 150B, 200B and 350B 




Certified Flow Rate

Aquarium Size

Rite Size Media

Penguin 75B

75 GPH

up to 10 gallons


Penguin 100B

100 GPH

up to 20 gallons


Penguin 150B

150 GPH

up to 30 gallons


Penguin 200B

200 GPH

up to 50 gallons


Penguin 350B

350 GPH

up to 75 gallons


Penguin & Emperor Cartridge Dimensions

Replacement Parts