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Rated 3.9 out of 5 by 29 reviewers.
Rated 5 out of 5 by FANTASTIC PRODUCT! Brought this filter in 1984, to maintain Oscars, and it has never stopped working! Also, I have never had to replace any of the parts, including the o-rings. Over the years I have housed many different kinds of fresh water and salt water fish, but I always go back to Oscars! Well, that's all, just thought it was time I let you know what a great product you made. June 1, 2014
Rated 1 out of 5 by This product is not good I have had two of these in the past and they were just fine. Within the last two weeks, I bought a new one and had to return it because the lid wouldn't seal. I received a replacement and that lid would not seal correctly either, allowing air to come in. May 27, 2014
Rated 5 out of 5 by Wow What a difference! I run this in my 55 gallon Freshwater aquariums (3) and never have a seen a filter polish the water like this. Crystal clear, I'm tempted to drink the water! Easy to maintain and change media, easy to install. I also purchased the Bio-wheel option BTW. This is the 3rd one I own. I highly recommended this product to friends and clients. May 13, 2014
Rated 2 out of 5 by Poor seal on lid Just received this item yesterday. I've been using Marineland filters since the mid 80's. They've always worked great. So I was expecting to same thing with the HOT Magnum. Set up was a breeze. Instructions were easy to understand. Up to the point of turning the unit on I would have given 5 stars. I turned it on and in a matter of a minute the pump filled with air. Yes I wet the O & D rings & made sure the clips were in place. Yes I filled the chamber to the brim with tank water. When I turn the pump on I noticed a loud sucking noise. I hit the web to see what I could find. It said use the lubricant. I did this and no change. I took the lid of and thanks to the lubricant smears I notice the problem. In the D ring well, where the tubes attach to the lid there are divots in the plastic where it wasn't filled all the way in the mold they used to make it. This is causing the bad seal. Monday I will call the company and report this and see what they can do. Until then I can't give a good review for what looks to be a considerable flaw(if you count all the similar seal problem posts online). First problem I have ever had with a Marineland product. Heck my large emperor style pump from the 80's is still running a 40 something gallon tank in my mom's house. May 10, 2014
Rated 5 out of 5 by Best Filter I've bought I've spent hundreds of dollars on filters and cartridges for my turtle. She's in a 30 gal tank and they produce a lot of waste. This filter is 3x the power I need for her and the tank and gravel are crystal clear all the time and my turtle is very healthy since it's so clean. I rarely have to clean it, just change the water every week or so. April 1, 2014
Rated 2 out of 5 by Nice unit, but leaks. The quick connect leaked at one of the seams. Tried calling customer service 3 times and was on hold for over 10 minutes only to be disconnected. Left message for a call back twice. They never called back. Sent 4 different emails to customer service and they all went unanswered. Therefore, I sent the filter back to where I purchased it from. Awful customer service. March 4, 2014
Rated 3 out of 5 by Help!!!!! Having some issues with my filter and would like some help with it please. February 5, 2014
Rated 1 out of 5 by This filter is garbage Bought this filter after my fluval stopped working after 5 years. have had this filter for about a year. It worked fine at first, then the water output gradually decreased to the point where it is just a trickle. The filter gets cleaned about once a month and it makes no difference. it does not keep the tank clean any longer. Will never buy another one. Back to fluval. much more quality product. The amount of effort required to prime the filter at every change and the frequency that it gets dirty is ten times worse compared to fluval. Save yourself the headache and buy something else January 15, 2014
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