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Product Reviews
5493 reviews on 1118 products!

ProductsPumps, Filters, MediaPower Filters
Marineland Emperor Power Filters
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Product Description:
Marineland Emperor Power FiltersFlow and filtration efficiencies unmatched by other filters in their class. As much as twice the filter cartridge capacity, additional chemical filtration capability, and an extra effective spray bar, driven by BIO-Wheel wet/dry biological filtration...The Emperor filtration systems truly are the future of advanced aquarium technology.The Emperors feature not only one pump (as ordinary power filters do), but have two separate water pumps. The Flow Pump directs water through the entire multi-stage filtration system. The BIO-Pump pressurizes and sends streams of prefiltered, oxygen-rich water through the adjustable spray bars to power each BIO-Wheel. And...the unique, patent pending Emperor design allows the BIO-Pump to continue powering the BIO-Wheels even when Flow Pump output is reduced by the convenient One-Touch Flow Control.
Product Specifications:
Emperor 400 for aquariums up to 80 gallons. Flow is 400 GPH.
Emperor 280 for aquariums up to 50 gallons. Flow is 280 GPH.
Sponsor's Website:
User Ratings: (157 reviews)
Overall: 8.31
Value/Cost: 7.79
Effectiveness: 8.61
Quality: 8.32
Ease of use: 8.52
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Found: 157 reviews Page  1 2 4 5 6 7 8 9 10 11 - View all
dancro86 has used this product for 3-12 Months.
Overall Rating: 9.75/10 January 18, 2007
"Great product."
Currently, I own an Emporer 400, and I have to admit that it is an awesome filter. Who needs to spend $400 on a wet/dry when you can buy a cheap yet effective one from Marineland. My ammonia and nitrite is practically 0 and my nitrate is maintained through aquatic plants and monthly water changes. It also cleans the tank with magnificent precision. I rarely see anything floating around, except torn off leaves from my cichlids, but they get sucked right onto the intake tube, and I go in later and pull it out. The only problem that I have noticed so far is that the Emporer is much more noisy than the basic Aquaclears and Whispers, but those filters also have crummy biological filtration. All in all, it is a great filter for a low price of $50.
tins68 has used this product for 1-3 Years.
Overall Rating: 9.25/10 November 19, 2006
"Great, but noisy !!!"
I've purchased 2 Emperor 400 for $80.00 together. That is the best price I have ever gotten for a top notch power filter. Both filters cleans my tank very well. The only drawback I have with these filter is when I have a power outage or I shut the power off by mistake, the startup noise is horrible!!
superfish has used this product for 0-1 Month.
Overall Rating: 8/10 October 8, 2006
"Good filter but not for bedroom tanks"
I started my 70 gallon mbuna tank with an HOT Magnum Bio-Pro and an Emperor 280. The Emperor produced much more noise (both motor and splashing) than the HOT Mag. It does have a big bio-wheel but not huge like the HOT Mag is armed with. The Emperor also has a media basket for the media of your choice...I would put extra carbon since the cartridge doesn't have that much. Overall, I'd say it's good for mech and especially bio, decent for chem. This is something I would use on a 30-40 gallon tank by itself, but too noisy for sleeping in the same room. I replaced the Emperor with an Eheim 2215 canister...more money but I got what I paid for, and much quieter than the Emperor and even the HOT Mag.
JPH74 has used this product for 3 Years or More.
Overall Rating: 10/10 August 29, 2006
"Top Shelf Filtration"
I have used the marineland bio-wheel filters for 5 years. Bio-filtration is the most important. Chemicals are rarely needed. I seldom use carbon in my filters. The Emperor 400 provides outstanding bio-filtration with the large bio-wheels and bypass free mechanical/chemical. I've read some complaints about the cost of cartridge replacements. Cut the plastic grid, dump the carbon out before using the cartridge and rinse the blue floss weekly. You'll only need to replace them a couple of times a year. IMO these filters are (biologically) far superior to the canisters. Why pay more money for a complicated system. Most canisters offer great mechanical/chemical filtration, but also have a risk of leaks,less bio-filtration (even with large space for media)due to low oxygen levels in a closed system and time consuming maintenance. No matter what filter you use you'll always have to change water, vacuum substrate, and clean your filter. I prefer the maintenance part of the hobby to be easy. If it isn't, I might put off doing it. The Emperor is easy to maintain. Regular tank maintenance + huge biological/mechanical filtration=healthy and crystal clear water. Put ceramic rings in the media baskets for more bio-filtration. 2 or more E400's could easily handle a large aquarium 150+. They give better turnover than most canisters and cost less. No canister can touch their bio-filtration unless rigged up to a bio-wheel. Bottom Line: EMPEROR ROCKS!!!
has used this product for 3 Years or More.
Overall Rating: 9/10 July 11, 2006
"9+ years"
I've been using the Emperor 280 for at least 9 years. I also have used the mini. The media is very easily maintained compared to the aquaclear. The refillable media container is a quick easy way to add additional filtration media. Some complaints I have with the 280 are the spray-bar is noisy, the minimum flow setting causes it to stop working and the replacement rite-size filter cartridge is expensive.
Cichlid-MAN77 has used this product for 3 Years or More.
Overall Rating: 10/10 May 17, 2006
"Best Filter !!"
I have been keeping fish(cichlids) for over 10 years. I have used numerous power filters in the past and am sold on these. They might be a little more expensive but as far as hangon power filters, they are the BEST!! Highly recommend!!
jmangels has used this product for 1-3 Years.
Overall Rating: 9.75/10 May 15, 2006
"Excellent filter"
Had a 280 on a 20g long for over a year and water quality is always great. Quiet, easy to use and trouble-free. As long as you change out the filter cart every so often you'll always have crystal clear water. And at $30/ea you can afford to have one or two extra on standby. Great little HOB filter.
aiminglow has used this product for .
Overall Rating: 8/10 April 7, 2006
"I would prefer a canister filter"
Quiet, effective, continuous cost.
I have had mine for like a 1.5 years. It works, media for the filter clogs fast and is not cheap. Mine (400) take 2 cartridges each time.

My 75 ga tank has a support bar through the middle which makes for very limited placement of filter.
scubadude has used this product for .
Overall Rating: 8/10 March 5, 2006
"still going after five years"
i use it in conjunction with a fuval4 and a intank CA1000 with a foam filter on my 55gallon tank medium clogs up but with all the filtration going on i change it about once every 6 weeks. like it
aquarius has used this product for 0-1 Month.
Overall Rating: 8.25/10 February 24, 2006
"powerfull and loud"
i just got the thing and it is loud! seems to do an excellent job tho ...extremely powerfull
Dolfan has used this product for 1-3 Years.
Overall Rating: 9.75/10 January 25, 2006
"works great, easy to maintain"
Michael6 has used this product for 1-3 Months.
Overall Rating: 9.75/10 January 1, 2006
"one of the best filters that money can buy"
Highly recommended for larger tanks. I particularly like the bio-wheel and double pump design. The first one allows higher efficiency of nitrifying process while the later one allows less food sucked into filter without compromising bio-filtration. Addtional space for media is appreciated. I personally suggest a Seachem Matrix for nitrifying and denitrifying and a black diamond carbon for odor and impurities removal. 9 for value/cost because it's a bit expensive.
cyberbeer65 has used this product for 0-1 Month.
Overall Rating: 1/10 December 30, 2005
"Do your self a favor and get an Aqua Clear"
mikeup4 has used this product for 3-12 Months.
Overall Rating: 8.5/10 December 10, 2005
"great filter - especially w/modifications"
Works great, especially if you fill the baskets with a good bio media. Put air stones in the bottom of each basket and hook up to a small pump. The air bubbles up through the baskets, aerates the media, and you have a wet/dry filter. Awesome bio filter. Remove the charcoal from the inserts and fill them with polyester fiber from walmart. When it gets dirty, take out the fiber and stuff some more in. Try it, it's simple and very effective!
redfish has used this product for 3 Years or More.
Overall Rating: 8.5/10 December 5, 2005
" good filter"
Its a good filter, but the inserts are costly and get dirty fast, I make my own from
products from walmart. Also
I got a 3"X 5" sponge made by
big als and cut in half and
put in place of filter media.
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