Magnum® Polishing Internal Canister Filter

Product No. ML90770

Magnum® Polishing Internal Canister Filter is rated 3.6 out of 5 by 36.
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The Marineland® Magnum® Polishing Internal Canister Filter uses two refillable chambers to house carbon or customizable filter media. The Magnum Polishing Internal Canister Filter is the most versatile filter Marineland has to offer. Choose from every day, continuous three stage filtration or high efficiency polishing with the included micron cartridge. The submerged motor means quick and easy start up, no priming necessary! The Marineland Magnum Polishing Internal Canister Filter filters 290 gallons per hour and is ideal for aquariums up to 97 gallons.
Rated 4 out of 5 by from Quiet and effective Bought this filter over a year ago. Worked great until the rubber gasket around the impellar tore and began rattleing very loud. Asked for a replacement impellar to switch out, but they sent me a whole new filter instead. The new one is running good, but once again the impellar is starting to make noise. The filter is routinely cleaned and checked for any problems. Other than that it has been a good filter.
Date published: 2019-01-01
Rated 3 out of 5 by from Good water polisher I bought this to replace my old whisper Diatomagic polisher which was discontinued and of which there was no rival. This does a decent enough job of clearing, but it is a hassle to use for periodic polishing, because I have to run it for a few minutes in a bucket of water to which the diatomaceous earth has been added then unplug it and put the filter, which is dripping water into the aquarium and plug it in again. In that short period a lot of the diatomaceous earth falls off the cartridge and spews into the aquarium before adhering to the filter again. I want the old Diatomagic filter back! This one is a hassle for just polishing I get water all over.
Date published: 2018-11-13
Rated 4 out of 5 by from Magnum filtet This thing is awesome. I am using in my 120 aquarium on polisher and it is keeping it clear. The only problem is it works so well I have to change filter in it every couple of weeks and the polishing filters get pricey. So it works great just keep your check book handy.
Date published: 2018-08-26
Rated 5 out of 5 by from Great filter I purchased the polishing filter over a month ago & it does well. Added some ammonia sponge filter to it, a little gravel inside & a piece of stocking/ pantyhose for extra filtration. So far so good. Awesome product & versatile.
Date published: 2018-08-23
Rated 5 out of 5 by from SOOO EASY Great filter easy to use easy up keep love the diatom use also
Date published: 2018-08-15
Rated 2 out of 5 by from 2 months then nothing This was a great filter for the first two months then the output flow dropped down to almost nothing and the most annoying loud buzzing sound began. The company did send me a replacement impeller right away, which was nice but it did not fix the problem. I tried a few things that other people who had the same issues tried without success. The company doesnt seem to want to do much else about it
Date published: 2018-08-11
Rated 4 out of 5 by from Power filter It’s really nice, works For my rainbow fish tank. But it would be better if the airflow can be adjusted. Tried using in my goldfish tank the airflow is strong wish it could be adjusted. angel, discuss and goldfish. Would really appreciate this.
Date published: 2018-07-26
Rated 1 out of 5 by from SSDD Marineland stopped selling the parts for my HOTT Magnum so i bought this. Same problem as everyone else. worked great at first. test ran ok with no micron filter and worked as a pump well, like new. so then the micron filter cartiage seemed to be clogging the system. cleaned the cartriage, that lasted about 1/2 day. changed to the back up core with charcoal and bonded foam. worked ok but now really polishing filter like the was the first week nor like my Magnum HOTT worked for years. So here we are. HOTT Mag that is basically dead and now this highly recommended filter that doesn't work.
Date published: 2018-07-18
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