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Marineland HOT Magnum® Filters

HOT (Hang On Tank) Magnum is an efficient, powerful, compact canister filter that is lightweight enough to hang directly on the back of your aquarium. Because it is a Magnum, it comes feature-packed with the ability to convert with ease from a continuous duty mechanical and chemical utility filter, to a water polishing filter with micron filtration capability. Comes complete with a Carbon/Media Container and Water Polishing Micron Cartridge, and it is available in models with, and without BIO-Wheel wet/dry filtration.
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Questions & Answers for Marineland HOT Magnum® Filters

Question

marineland mag 250

Ok I have a very old but still work marineland mag 250 but it is not a mag 250 it was pre marineland before it had the filter can I buy your parts and convert it to take a filter and if so what do i need to buy
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 3 years, 2 months ago
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bigfoot
tx
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I'm not sure what parts you need but they are the same. You can find them on the Buy Parts Online tab under the Magnums. Is there something specific that you are unable to find?

http://www.marineland.com/sites/mar...
answered 3 years, 2 months ago
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Dana
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Question

Gravel cleaning

I would like to know what do I need to use this filter as a gravel cleaner as well as how to use it in that manner. The paperwork provided with the unit mentions that as one of the benefits of the filter, but doesn't show how to or what's needed. Any help you can give would be greatly appreciated, thank you for your time.
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 3 years, 1 month ago
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susie
Michigan
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Hello,
You will use the Power Kleen connector to hook the intake on the HOT Magnum up to your Siphon Kleen gravel vacuum. Then would siphon the gravel bed and all the sediment would pass into the filter.
 
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answered 3 years, 1 month ago
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Question

How well will the MarineLand H.O.T. Magnum work with sand instead of gravel?

Will this filter work well with sand at the bottom of the tank instead of gravel?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 3 years, 1 month ago
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Emma
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Sand that gets into any filter can be highly corrosive to the moving parts. So long as you take precautions, the H.O.T. (Hang On Tank) filter will work fine. Whenever your sand bed is stirred up, such as during tank maintenance, you will need to cut off the filter. Sometimes you can have aquatic life in your tank that will be good at stirring up the sand bed. This can be unpredictable, so if you do have this situation you may need to cover the strainer on the intake-tube with nylon material to help prevent sand from being pulled into the filter. You can also remove any extension tubes from the intake to shorten it and thus keep the strainer higher up in the tank. Also, it would be a good idea to regularly take out the impeller and clean it and also the area where the impeller fits in the motor. You can use distilled white vinegar to clean with so long as you rinse the parts well afterwards.
 
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Magnum 350 Canister Aquarium Filters
 
 
 
 
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answered 3 years, 1 month ago
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Question

I have had a HOT Magnum for about 4 weeks now. I am getting microscopic bubbles and it has become louder.

I recently changed my charcoal and now have microscopic bubbles. I removed the cover again and made sure it was completely full of water, but I still have the bubbles even after it has run overnight. I have also noticed it has become more noisy (not water noise), like the motor is more noisy. I cleaned it thoroughly when I replaced the charcoal.
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 3 years ago
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TCHART
Tampa, Florida
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Hello,
This is usually related to gaskets and O-rings. Take the intake tube and outlet tube off the unit and inspect it. See if you have the O-rings on them. If you do not, then this is the problem.
Also, make sure all your gaskets are in the right position.
As for the noise, this is most likely related to something falling down in where your impeller spins. This is usually carbon from your container.
Make sure you don't have air bubblers near your intake tube on the filter, which could cause it to take in air and shoot it back out.
If these tips don't help contact us at consumersupport@unitedpetgroup.com or 1-800-526-0650. We'll need your name, address, and phone number if you email us.
answered 3 years ago
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Question

amount of media

i have a hot magnum on my 29 gallon freshwater tank, and when i set it up, i filled the media container with a combination of carbon and ammo-lock. this seema like a tremendous amount for my tank and i was wondering about the possibility of utilizing some of the space with "bio-balls" or the like. i figure i could steal one if my wife's nylon knee-highs to hold the media seperate. if so, should the media go in the top or bottom of the canister???? if i do need to fill the canister, what would be a recomended interval for changing it???
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 3 years ago
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lefty317
st. louis
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Hello,
Yes you could fit some bioballs in the carbon container. The carbon and/or ammonia chips should be at the bottom first. It would most likely make its way to the bottom anyway, being smaller and more dense. You could purchase a media bag at the pet store to put some bioballs in. Nylon should also work. Just make sure that you don't inadvertently damage the carbon container by overfilling it. You would need to change the carbon/ammonia chips about once a month in most cases.
 
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answered 3 years ago
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Question

How well will the H.O.T Magnum Pro work for the Marineland 56 gallon column tank?

Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 2 years, 10 months ago
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Kananaka
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answer 1
Hello,

Thank you for your interest in our products. The H.O.T. Magnum Canister Filter is an excellent filter, and would fit very well on a 56 gallon column tank. It is suitable for up to 55 gallons, so you would be maxing it out, but it should handle a normal load of fish, no problem. If you believe you will be heavily stocked, then you may need additional filtration.

Regards,
BREX
answered 2 years, 10 months ago
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BREX
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Question

Does the exhaust of the H.O.T. Magnum have to be under water?

It's too short so it's above water. Only issue I'm seeing are microscopic bubbles around the top. Should I make a longer tubing for it?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 2 years, 8 months ago
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pink
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Hello,

No, the outlet diffuser does not have to be under water, although this will make the water sound less annoying. Certainly, the splashing water will create bubbles; we do not know of a way of correcting this other than raising the water level to just below the lip of the tank frame.

Regards,
BREX
answered 2 years, 8 months ago
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BREX
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Question

I have a Magium 250 H

upon cleaning it, I took it apart and do not know how to put it together, do you have an online diagram I can look at to see how all the parts and gasket go together?
Aquarium Type: Saltwater
Aquarium Size: Large (60g+)
asked 2 years, 6 months ago
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texas
Tinley Park, Il
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We do, both the manual and quick set up guides are available online under the "Support and Parts" tab.

http://www.marineland.com/uploadedF...
answered 2 years, 6 months ago
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Dana
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Question

Binding inside the HOT Magnum

The impeller in my HOT Magnum doesn't spin, when open it runs fine. I've disassembled & can't find a cause for the apparent binding.
Aquarium Type: Both
Aquarium Size: Mid-Size (20-60g)
asked 2 years, 6 months ago
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Eddy
Florida
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Hello,

Remove the impeller from the impeller module, and drop it into a dish of distilled white vinegar. Let soak for approximately 2 hours. Clean the module carefully as well, and using a q-tip and some vinegar, clean out the area of the motor that the impeller sits in, then re-try the filter.

Regards,
BREX
answered 2 years, 6 months ago
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BREX
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Question

Installed the hot 250 magnum (no bio wheel) its working but it send out a lot of air bubbles in the return.

Just wondering if I did something wrong during install. I have 2 350s for my 75 gal reef tank and this is the second hot 250 I have purchased (1st one gave to a friend). I am using it on a 29 gal reef tank and sometimes the bubbles are a lot and sometimes almost none. The old one I had didn't have this problem, but back then the same tank was used for fresh water.
Aquarium Type: Saltwater
Aquarium Size: Mid-Size (20-60g)
asked 2 years, 5 months ago
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Peter33018
Miami Lakes
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answer 1
I am sorry to hear this. It would mean that air is getting into the unit.
Inspect your D-Ring & lid first. These should be tightly sealed. You may even want to remove the D-Ring & place it back on the unit.
The next things to inspect would be the inlet/outlet o-rings. This is a little tricky. Sometimes they are pinched.
The last thing that could be the issue would be the exhaust gaskets. These being in the wrong place or torn will be a big problem with air.
If this doesn't help, please feel free to call our Consumer Relations Dept at 1-800-526-0650.
Thanks.
answered 2 years, 5 months ago
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Marineland1
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Question

HOT magnum parts

I need the blue filter sleeve that goes over the media canister. Can I order it individually?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 2 years, 1 month ago
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Dakota
Defuniak Springs, Fl
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Yes, that is available as separate media. It is the H.O.T. Magnum Bonded Foam Sleeve, item number PA0115. It is available on our website as well as in local fish stores. Here is a link to the single pack: http://www.marineland.com/mlstore/H... We also sell it in a 3 pack.

BREX
answered 2 years, 1 month ago
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BREX
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Question

H.O.T 250

the filter is not taking in as much water as it spits out. it runs dry in about 30 seconds. what is the problem. checked o-rings for air leaks and gaskets are in proper and in great shape
Aquarium Type: Saltwater
Aquarium Size: Large (60g+)
asked 2 years ago
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chip
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answer 1
This means you are not sealing the unit properly. Fill the canister to the top edge with water. When you place the cover down on the canister, water should spillover. This will help seal the unit. You can also place silicon lubricant around the D ring to get it to seal.

BREX
answered 2 years ago
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BREX
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Question

Air in the Canister

I cannot keep air out of the canister. I have checked the D-Ring, and the O-rings on the intake and exhaust. I just set this up last night. It ran perfect for about 5 minutes, then it started taking on air. I have dis-assembled it and re-assembled it numerous times trying to get a tight seal. I have filled the canister with water, and sealed it each time. However it still has air in the canister. It is loud and spits out micro-bubbles. Someone please give me another suggestion other than checking those things. Is there a video on how to check and assemble this properly? Help
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 2 years ago
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Solomonclan
Dallas
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answer 1
For the H.O.T. Magnum 250 Canister Filter, the reason you are hearing the increased noise is because of the air impeding the normal filtering process itself. It sounds like you have most certainly started the troubleshooting process. A few more thing to check would include: ensuring your leveling clip is in place, checking to make sure your water level in your aquarium is flush with your trim line, that the intake strainer is completely submersed under water and lastly that the intake tube is also partially submersed. You may also try taking the D-Ring cover seal out, flipping it over and reseating it again inside the top.
answered 2 years ago
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BREX
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Question

What is the minimum size aquarium that can work with the Marineland HOT Magnum Canister Filter?

I know that it says up to 55 gallons but I was wondering if it could work with a smaller aquarium. I have a 10 gallon aquarium and I am having difficulty finding a canister filter that would be appropriate for that size. Can the Marineland HOT Magnum Canister Filter work with a 10 gallon tank?
Aquarium Type: Freshwater
Aquarium Size: Small (20g or less)
asked 1 year, 11 months ago
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Nikomc
Florida
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There is no minimum requirement exactly; however it would be quite strong for that size tank. The problem you may have is that the current created by the filter in the water may be a little too strong for the fish. It could be quite turbulent; and I probably wouldn’t recommend it for a tank any smaller than 20g.
answered 1 year, 11 months ago
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BREX
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Question

What are the steps to troubleshoot my Magnum 250 filter for blowing bubbles?

I purchased a Magnum 250 about a week ago. I know it is not uncommon for it to blow bubbles, and know that it could be a problem with the D-ring, O-rings, inlet, or outlets. I have checked each one while re-assembling it multiple times and have filled the filter up to the top. I give it till overnight to blow all the air out, but it still blows bubbles. What else can I do to check for a problem? Do the inlet or outlet tubes have gaskets? I tried checking the instructions, and also do not see any gaskets on mine.
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 1 year, 11 months ago
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Kevster
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Yes, there is an o ring for the inlet and outlet, so the inlet one may be causing the issue. Try a little silicon lubricant around it and around the D ring.

BREX
answered 1 year, 10 months ago
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Question

No flow?

I just upgraded my tank and did a thorough cleaning out of my Magnum. Even though there is a quiet motor hum, there seems to be no flow. All gaskets were replaced as removed and the media replaced and screens were scrubbed. The canister was topped off prior to starting. No suction at intake, no flow at discharge tube. Any ideas? (There was activity when everything was removed and the motor checked with just water in the canister...)
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 1 year, 9 months ago
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From your description, it does not sound like you took out the impeller and cleaned it. This would definitely affect flow rate, and whether it runs or not. Most likely it is dirty/clogged. Clean it, and down in the very bottom of the canister, where the impeller resides. This should get you up and running again. Use vinegar if you tend to have hard water or are using it for saltwater.

BREX
answered 1 year, 9 months ago
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Question

what are you supposed to use the silicone lubricant on that came with the hot magnum hanging filter?

Aquarium Type: Freshwater
Aquarium Size: Large (60g+)
asked 1 year, 7 months ago
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mula420
lincoln ne
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answer 1
Whenever you take it apart to clean it, it is always a good idea to put lubricant on the big D ring inside the cover.

BREX
answered 1 year, 7 months ago
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Question

Outlet size

what is the water intake and water outlet size of the H.O.T. Magnum Canister Filter
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 1 year, 6 months ago
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CityHydro
Baltimore, MD, USA
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.5"

BREX
answered 1 year, 6 months ago
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Question

Filling Carbon container on Magnum HOT

Product Instructions state to fill the carbon container--the provided video mentions filling the carbon container half-way. Is one method better than the other--or is this optional?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
 
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Black Diamond Aquarium Carbon
 
 
 
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asked 1 year, 6 months ago
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California, USA
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You want to fill it no more than halfway. If you fill it to the top, carbon will spill out into the middle section of it, and travel down to the impeller.

BREX
answered 1 year, 6 months ago
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Question

Out put tube

Where can I get a replacement tuibe forHOT Magnum® Filters?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 1 year, 6 months ago
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smollen
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answer 1
Right on our website: http://www.marineland.com/Products/.... You can also order through www.aquariumguys.com, www.petsolutions.com, and others.

BREX
answered 1 year, 6 months ago
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