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.

Just got a brand new 350 out of the box. And followed the very sparse instructions for the set up. And it doesn't do anything apart from make a lot of noise. And bubbles. It doesn't pull any water in. At all. 

Asked by: izzix251
Hi izzix251! We are sorry to hear you are having this issue, but do you have the water level to the top of the tank? It sounds like you don't have your tank full. The filter cannot prime unless the water completely covers the mid-level strainer, and it will sit and create bubbles in the filter box and make a lot of noise. If you do have the tank full, and the filter is also filled all the way up, then pull the intake tube, and impeller housing out of the filter box. Re-seat them firmly. The impeller housing may have gotten jammed into the box during the production line or shipping. If you need any additional assistance, please call 1-800-322-1266. After 3:30 pm EST today, we are closed for the Thanksgiving holiday. Happy Thanksgiving! BREX
Answered by: BREX
Date published: 2016-11-23

I have a 60 G. Freshwater tank, & all of a sudden my fish started to get the cloudy eyes, and I removed the sick fish, treated tank multiple times, & all fish ended up passing. To re-start, should I change the bio wheel? any tips on restarting this?

Asked by: Brandy Louise
Thank you for your inquiry. Cloudy eyes are often due to poor water quality such as a low pH. You do not need to do anything other than basic maintenance to start the tank again. Vacuum the gravel and replace 30% of the water. Clean out the filter system and replace the media. Test your water quality for pH, ammonia, nitrite, nitrate, and alkalinity. Add one small fish around an inch in length per 10 gallons of water to start the tank again, and also add Tetra SafeStart Plus to jump start the biological filter. You do not need to replace the bio wheels. Add the SafeStart while the fish are floating in their bags, acclimating to the water temperature of the tank. Once you have gone through these steps, test the water quality again within a few days. You should be able to wait two weeks for your first partial water change. BREX
Answered by: BREX
Date published: 2016-11-23

Been using a model 100 for a week. Water is still cloudy and have had to rinse filter to keep wheel from stopping. What can I do to fix these issues?

Asked by: M_007
Thank you for contacting us! If the wheel is trying to stop because the cartridge is clogging up, the filter is doing a good job of cleaning the tank, but is overburdened. Sounds like the tank could use a good gravel vacuuming and about 25-33% of the water changed. This would help both issues. If this is a new tank, you may be over feeding. In that case, I would recommend one flake of food per fish, once a day, depending on the types of fish you own. If you believe it is neither of these issues, then I would recommend calling us directly so we could ask some questions and do some troubleshooting for you. 1-800-322-1266. BREX
Answered by: BREX
Date published: 2017-01-01

We have the Penguin 200 with the mid-level strainer. Since the strainer is adjustable, how do we decide where to set it?

Asked by: fishyssoise
Thank you for your question! There is no right or wrong, it is based on personal preference, really. The purpose behind the mid-level strainer is to pull water into the filter from the middle of the tank, and not just from the bottom of it. This improves circulation. I personally remove the lever myself, in my own aquariums to increase circulation as much as possible. However, some folks like to close it at feeding time or leave it closed. If you have very small fish, you may want to close it till they grow some. Again, it's based on what is best for your tank, your fish, and your situation. BREX
Answered by: BREX
Date published: 2016-11-14

i just bought a Oceanic 75 gallon front bow aquarium its been sitting for a couple years it used to be a salt water tank/ filter im planning on making it a freshwater tank i cleaned everything including the bio wheels should i replace them?

Asked by: MustangGuy1999
Thank you for your question. That depends on HOW you cleaned the bio wheels. Typically, you don't need to clean them at all besides rinsing them lightly or taking a q tip and cleaning between the folds. As long as they spin in the filter, there is no need to replace them. They will grow bacteria again. BREX
Answered by: BREX
Date published: 2016-11-09

How do I clean my BIO Wheel? It stinks and it's making my house stink. 

Asked by: Kocoa
You typically don't clean the bio wheel itself, but you can take a q tip and clean gently between the folds. Wipe the plastic ends off with a soft cloth and hot water. We have not received feedback regarding this issue before now. Typically, the feedback we receive from customers regarding odor is more along the lines of the aquarium itself. Our recommendation is usually to vacuum the gravel well, and do a 30% water change. Wait a couple of days, and then take the filter apart, and clean all of it's plastic parts, replace the cartridge, and swab between the bio wheel folds. You could do the entire filter system first though, and wait a couple of days to do the water change. Do not do both on the same day, you don't want to disrupt your biological filter. After both have been completed, I would recommend adding Marineland Bio Spira Freshwater Bacteria. This will help boost your biological filter again, and may eliminate some of the possible causes of odor. Another option for removing odor is fresh carbon. One of carbon's main jobs is to do exactly that - remove odor. BREX
Answered by: BREX
Date published: 2016-11-07

I have a brand new penguin 200 and it's not working. No water being sucked up. This is the second one I have tried with the same problem. I have disassembled and reassemble the product several times with no luck. What is the problem?

Asked by: twinkie13
When customers have reported this issue before, they have found that their water level may be too low for the filter to prime, or they sometimes forget to fill the filter box up with water. You mentioned having taken it apart and re-assembled it which is something that also often works. When you did this, did you also remove the impeller from the impeller housing and then re-attach them and re-seat them in the filter box? BREX
Answered by: BREX
Date published: 2016-11-06

penquin 200 how wide is the tank that hangs outside the fish tank

Asked by: tonypro
The out of tank dimensions are: 9.5 X 3.5 X 7.5 (LxWxH) BREX
Answered by: BREX
Date published: 2016-11-02

I am worried about power outages. If the filter loses power all the water drains out, then when the power comes back on the filter just grinds away with no water in it until I refill it. Could filter get hot and catch fire if not refilled promptly?

Asked by: marilyn61278
No, it would not. But to avoid it's not re-priming, make sure the water level in the tank is always to the top, and that the filter is kept in clean, working order. It will restart on its own if these two conditions are met. BREX
Answered by: BREX
Date published: 2016-11-02

My bio wheel has stopped moving it will spin the spin the other way and stop. I've cleaned everything. What should I do. I've made sure it's in place. Have had nothing but trouble had to replace the wheel 2 times cause other wouldn't work...

Asked by: Gordon12335
Once they build up bio load, bio wheels should start and stop, but be able to start on their own again. I am assuming yours does not, from what you are stating. When cleaning "everything", be sure to remove the impeller and soak it in distilled white vinegar to remove any deposits along the shaft. Also, take a q tip or I prefer the corner of a paper towel, twisted, and soak it in vinegar, then clean out the motor region of the filter box. Check your bio wheel bearings to make sure they are in place properly, and not damaged. Using a q tip and vinegar, clean them well, then rinse and dry them, and rub a very thin smear of silicone lubricant on them. The bio wheel itself should never be cleaned, so if you cleaned that, you may have warped it. This filter comes with a 3 year warranty, please call us at 1-800-322-1266 if you need further assistance. BREX
Answered by: BREX
Date published: 2016-10-28

Is there a recall or a replacement program for the penguin bio wheel. I am on my second unit in 5 days. The first never worked and now this one is intermittently working. I have to fiddle with it several times a day. Very disappointed in this product. :(

Asked by: mosaiq
No, there is no recall, and never has been one on these filters. They do come with a 3 year warranty on them. There are several possible reasons for the issues you are experiencing. Do you happen to have sand in the aquarium or an air stone near the intake tube? If not, remove the intake tube, impeller housing, and impeller assembly, check them over, then re-attach them and re-seat them. Please call us if you are unable to resolve the issue. 1-800-322-1266 BREX
Answered by: BREX
Date published: 2016-10-27

Do you have to take apart and clean every once in awhile

Asked by: Kitty2014
Yes! All filters should be taken apart every month or two and cleaned. Media should be replaced monthly. BREX
Answered by: BREX
Date published: 2016-10-22

The motor in pump work and water flows through but little fan doesnt move

Asked by: Kymba
That makes no sense to me as water cannot flow through unless the impeller is turning (the little fan). Take the impeller out and soak it in distilled vinegar for about 15 minutes after cleaning any debris off of it that you find. Swab out the motor with a q tip and vinegar as well. BREX
Answered by: BREX
Date published: 2016-10-17

Just bought tank came with biowheel 200 filter but after I plugged it all it is is really loud not sure what is wrong 

Asked by: LadyC
Well, you have to fill it with water, and the water level in the tank has to be near the top of the tank, so make sure these two things have been done correctly. If so, they pull the intake tube, impeller housing, and impeller out. Check the impeller for any issues, then re-seat it. You may even want to separate it from the impeller housing, re-connect them, then re-seat it. If you are hearing more of a water noise, take the bio wheel out and float it in the tank for 24-48 hours. BREX
Answered by: BREX
Date published: 2016-10-14

Where do I put fluval Aqua clear gravel is in front or in the back

Asked by: Moe1967
We do not make those products, so we are unable to answer that question, sorry. You should contact Hagen Inc. BREX
Answered by: BREX
Date published: 2016-10-14

I'm hoping u can help me my tank was not clearing up. So I went to pet smart and took a water sample with me. They said my ph was off the chart and the ammonia was high so I bought proper ph salt I beleave. I also bought fluval Aqua clear it's still not c

Asked by: Moe1967
If the pH is really high, that will cause the ammonia to be very toxic and you would begin to lose fish. If it is very low, it may indicate that the tank has a lot of organic matter, but your nitrate should also be extremely high in that case. The high ammonia is what is causing the cloudiness, and can lead to the death of the fish. I would not worry about adjusting the pH for now. Do a 30% partial water change and vacuum the gravel. This will reduce the amount of ammonia and help clear the tank a little bit. Use your normal de-chlorinator, wait a few moments, then add Tetra SafeStart Plus to boost your biological filter and bring the ammonia down. Wait 24 hours and re-test the water at that time. If the ammonia is continuing to come down, do NOT do anything else but monitor the tank. Doing more water changes, adding more chemicals, etc., may harm the SafeStart Plus (this is nothing but cultured bacteria), and wipe out the good work you did. In the meantime, only feed once a day, one piece of food per fish. BREX
Answered by: BREX
Date published: 2016-10-14

How do I get the bio wheel to slow down? It spins too fast and is noisy and splashes water. Old design allowed adjustment for this. 

Asked by: Joe F
There is no flow control on the Penguin, never has been. The old Emperor filter had a flow control. For new filters, however, remove the bio wheel and float it for a day or two. It will absorb water faster, weighting it down and making it turn more slowly. This will definitely cut way down on the noise and splashing. BREX
Answered by: BREX
Date published: 2016-10-12

I just purchased a new Escape 5 Hex to replace my 10 year old Eclipse Hex 5 - which I understand is a discontinued model. There is no Biowheel in the new Escape 5? Does this rely totally on liquid conditioners for the health of the tank?

Asked by: Marineland Fan
No, it uses a submersible filter with just a cartridge. Beneficial bacteria grows throughout the entire tank and filter system. BREX
Answered by: BREX
Date published: 2017-01-27

is there a way to quite a noisy impeller on my power filter or can I buy replacement parts.

Asked by: Rik 37
Depends on why it is noisy. The first thing to do is remove the impeller and soak it in white vinegar for about 15 minutes, after removing any hair or debris you may find. Make sure you swab out the motor region with vinegar as well. Check the impeller for damage. Ensure that the impeller is not pushed too far up into the impeller housing so that the blades are actually rubbing. If after you have tried these steps it is still noisy, make sure to use filter floss in the bottom strainer if you have sand as your substrate, and move any air stones away from the intake tube. Last, but not least, yes, the impeller is sold separately, through our website, other vendor websites, and local fish stores. BREX
Answered by: BREX
Date published: 2016-10-03

my fish died of a bacterial infection several months ago. The bio wheel used for the sick tank has been dry since then. Do I need a new one for a new tank setup?

Asked by: Ioana
No, just float it in the tank for a day or two to allow it to absorb water again. It will once again grow bacteria. BREX
Answered by: BREX
Date published: 2016-10-03

Our bio wheel is not constantly spinning, there are times is pauses or just completely stops. Have you heard of anything to help this or would we need to replace the entire filter?

Asked by: TCRP
Once the bio wheel builds up what is called bio -load; the sludge that houses the beneficial bacteria, it will weight the bio wheel down. This in turn may make it start/stop, start/stop. Pausing is perfectly fine. By pausing, areas exposed to air will reap the benefits of the extra oxygen by doing more biological filtration. As long as the wheel can turn on its own, speed is irrelevant. I do recommend taking the filter system apart and cleaning it, especially the impeller assembly down in the motor region, and the motor region itself, to make sure you have an effective flow rate. BREX
Answered by: BREX
Date published: 2016-10-19

What is the power draw on the penguin 1?

Asked by: kpets
If you are referring to the Penguin 100, it would be 14.4 watts, 120 v. and .12 a. BREX
Answered by: BREX
Date published: 2016-10-03

I have a penguin 200. I've only had it a few months. I just moved and now it is noisy and will not pull water through the filter. I pulled everything out of the top and there isn't anything dirty or blocking anything

Asked by: Mscboston138
I have cleaned the impeller assembly, as well as the hole it fits in. It is still noisy, and will not pull water up through the filter. The rest of the filter housing is clean, as well as the tube that suits inside the tank
Answered by: Mscboston138
Date published: 2016-09-29

Walked by my 10g frog tank & saw the bio wheel was completely stuck. Upon inspection, it was dry too. I just replaced the filter cartridge yesterday (every 4 wks), so that bacteria is gone. Without water, the bacteria has all died, correct? :-0

Asked by: Amandine
The bacteria on the bio wheel have definitely died off, but you still have bacteria on the filter, in the filter system, the gravel, water, etc. Once you get the bio wheel going again, it will re-grow bacteria in no time. Take the filter apart, and clean out the intake tube, the impeller assembly and the bottom of the filter box to get the biowheel to spin again. It is completely dependent on the flow rate of the filter, and debris, sludge, algae, etc., will slow it down. BREX
Answered by: BREX
Date published: 2016-09-28

I powered up the filter without adding water to the box.  Will this damage my filter ? It sounds a bit noisier now. I have single biowheel filter hob

Asked by: Zodiack
It should not, no, as long as it did not run that way for very long. I would just recommend removing the impeller assembly and impeller housing to inspect them. Make sure the impeller assembly blades are not rubbing the housing, pull it out, then re-insert it into the housing, then re-seat both into the filter system. Check the motor region of the filter box for any debris that may have accidentally been pulled in such as grit or sand. If you are unable to resolve the issue, please call us at 1-800-322-1266. BREX
Answered by: BREX
Date published: 2016-09-27

My tank is running the double biowheel set up (takes C filters). Since day one, the wheels have been noisy. I can't run it without the wheels bc it's even noisier. I need it to stop with the drip sound. Please help. 

Asked by: CantSleep
Sounds like your water level is too low in the tank. It should be to the bottom of the top frame of the tank. This allows the spillways to rest in the water, eliminating most of the drip sound. If the bio wheels are new, take them out and float them, in order to have them absorb water faster, and reduce the noise of the water returning. BREX
Answered by: BREX
Date published: 2016-09-22

I have had the penguin 100 for yrs. on my 20 gallon tank. will the 150 be better for that tank.

Asked by: thecat18
It would definitely move more water more rapidly through the filter. So it would filter more, yes. BREX
Answered by: BREX
Date published: 2016-09-19

how do you adjust the mid level strainer?

Asked by: mikenan
Lift or lower the gray lever to shut off as much or as little of the strainer as you would like. It is personal preference. I just remove the gray level and leave the strainer open all the time. BREX
Answered by: BREX
Date published: 2016-09-19

How can you determine power consumption on the motor of the Penguin 350? I have 4, and wonder how many volts/watts the power is pulling? I can find anything in the manuals.

Asked by: TimsTanks
It would have that information on the motor itself; you would need to flip the filter system upside down. Watts are 20.4, voltage is 120, amps are .17. BREX
Answered by: BREX
Date published: 2016-09-19

I use 2 penguin 200 filters with my 55 gallon aquarium. Even if I keep the water level good, I have to tilt the filters to get enough flow to turn the biowheel. Do you have any advice on what else I could do to generate enough flow to keep it turning?

Asked by: Steven777
Take the filter systems apart and thoroughly clean the motor region, the impeller assembly and the intake tube. The bio wheels are also subject to the flow rate, which is subject to how well maintained the filter systems are, and our recommendation is to take them apart every couple of months for a good cleaning. BREX
Answered by: BREX
Date published: 2016-09-16
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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