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  • Marineland Eclipse Seamless Integrated Aquarium System, 5 Gallons, Hex
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Marineland Eclipse Acrylic Aquarium System

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5 gallon
  • Top-mounted 3-stage filtration system fits conveniently against the wall
  • 100-percent water-to-media contact for excellent water quality
  • Extra space for accessories like heaters or airline tubing (sold separately)
  • Easy to set up, access, and operate
  • Includes specially selected fluorescent daylight bulb
  • 100% water-to-media contact for excellent water quality, and a healthier environment for your plants and fish
  • Available in 3, and 12 gallons, hexagonal 5 gallons and a corner 5 gallon
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1 new from $149.00 2 used from $55.00

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Size: 5 gallon
  • Buy Used and Save: Buy a Used "Marineland Eclipse Seamless Integrated Aquarium Sy..." and save 24% off the $72.65 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Product Details

Size: 5 gallon
  • Product Dimensions: 14 x 12.5 x 16.8 inches
  • Shipping Weight: 6.2 pounds
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B000260GEC
  • Item model number: PFES05HX
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (296 customer reviews)
  • Amazon Best Sellers Rank: #43,882 in Pet Supplies (See Top 100 in Pet Supplies)
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Product Description

Size: 5 gallon

Own an Attractive Window to Another World

The Marineland Eclipse Integrated Aquarium Systems are perfect aquariums for your home or office. They are offered in two sizes a uniquely shaped Hex 5 and a curved-front System 12 giving you the choice of the size that best fits your space. Your aquarium will be the center of attention for guests and friends alike.

The seamless plastic aquarium is transparent and half the weight of glass. The filtration and lighting is hidden under the hood providing a 360-degree panoramic view into the aquarium. The fluorescent lamp provides the perfect amount of light to highlight the brilliant and beautiful colors of your own underwater environment.

Easy to Set Up

The Marineland Eclipse Integrated Aquarium Systems come with a Quick Set Up Guide that will walk you through setting up the aquarium step by step in a matter of minutes. The Set Up Guide's easy to follow pictures and directions lead you through the process of connecting the intake and impeller components and then attaching them to the filtration assembly with one smooth snap. Place the BIO-Wheel onto the bearings add water plug it in add some fish and décor and enjoy your aquarium.

Unique BIO-Wheel Keeps Water Crystal Clear

Each Marineland Eclipse Integrated System with BIO-Wheel technology delivers effective easy three-stage filtration. The BIO-Wheel was designed to grow the beneficial bacteria that is needed for biological filtration and has been proven best at removing toxic ammonia and nitrite. Remember the BIO-Wheel never needs to be replaced unless damaged. The replaceable Rite-Size filter cartridge provides the mechanical and chemical filtration screening out the dirt and debris and removing odors discoloration and impurities. The 100% water to media contact assures a crystal clear healthy environment for your plants and fish.

Extremely Simple to Maintain

Maintenance of these aquarium systems is virtually effortless making them the ideal choice for beginners or part time enthusiasts. Make sure to do some simple maintenance once a month including a 25% water change replace the Rite-Size filter cartridge and clean both the impeller and intake tube. All the filtration media is contained within the top portion of the aquarium which makes replacing the filter cartridge so easy that you won't even need to get your hands wet.


Sign up for TetraCare to help you be successful in your fish-keeping endeavor. This is a totally free program with the purchase of these aquarium systems and provides on-line and over the phone support. Once you register, you'll receive specially timed emails to guide you through the first six months of your aquarium experience and beyond. Free direct access to our TetraCare Team is just a phone call away. Just call 1-800-423-6458. Help is available seven days a week.

Customer Questions & Answers

Customer Reviews

I love to use these for betta and small fish tanks.
Jayla A. Bowman
I don't like it because it can scratch very easily and it's a little more difficult clean (algae) than glass aquariums.
The filter is very quiet, was easy to setup, and seems to do a pretty good job.
P. Killion

Most Helpful Customer Reviews

106 of 109 people found the following review helpful By slybiker on June 12, 2005
Size Name: 3 gallon
I have owned a system 3 for almost 6 years now! If there was 1 word to describe this it would be: Effortless.

This is a fine piece of machinery that looks and runs great, for years to come.


-Change the filter every 1-3 months (depending on the clenliness of your fish and the nuber you have)

-25% water change every time you change the filter or every other time (again, depending on your fish

-I also reccomend a gravel cleaner

-About once every 8 months to a year, I have to clean out the impeller housing to clean out the junk that builds up because of reduced performance.(manual shows step by step instructions on how to do this, and if you loose your manual, go to to download one for free)


none really, but it is quite small. Recently I have been looking at the system 6 or 12.

*I'm not sure about how it would do with salt water, as I have not tried, but reading reviews I have not heard very positive things about that.

*After having it for about 5 years, white crust started to show up on the edged of the tank lip. One more thing to clean, but what can I say? I have nothing to complain about though, because you can look at other 6 year old systems and they would look like junk, where as mine is in perfect condition(except for the little ECLIPSE marking on the front is half worn off from use!)

All in all, I have been happy with this tank from day one and I'm sure will continue to be happy with it for years to come(if I don't upgrade, that is!) and I would definetly reccomend this to anybody wanting a quick to set up, long lasting, all in one machine that looks stylish. I hope this helps!
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149 of 169 people found the following review helpful By Frank Forrest on January 6, 2008
Size Name: 6-gallon
When I was in middle school, I was an avid tropical fish fan. I raised and bred all sorts of fish from easy to take care of goldfish to more challenging angel fish. That was years ago, but my fascination for tropicals has never really left me. I wanted to start up a small tank with a few fish, just for the fun of it, but without much of the hassle. I saw the Eclipse System package and tried one out. Here are my impressions of the kit.

The whole system is a complete package that contains all the necessary equipment that you'll need to get you started in keeping tropicals as pets. The kit includes the actual tank (which is plexiglass), the pump, filter, hood and light. The gravel and other accessories, you provide. Marineland boasts that the biofilter is able to eliminate much of the toxic buildup that occurs when you keep fish, thus providing a carefree, minimal amount of maintainence. Is it true? Yes and no.

Regardless of which filtration system you use, it takes about a month or more before beneficial bacterial builds up in the tank. These little critters are what is behind keeping the fish wastes under control. I found that the Eclipse system can do this, but only if you are very careful in keeping only a few fish in the tank. (Don't believe the photo on the box which seems to have 15-20 fish in the tank. In real life, they all would be dead if they were crowded this way.)

Added to this, the condition of your tank water is very, very volatile because the tank is so small. Overfeed your fish, or having a fish that is dead and hidden will reek havoc on your tank and most likely kill or make all your fish ill. The magnetic impeller motor can overheat and burn out easily if your water level becomes too low.
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19 of 19 people found the following review helpful By Tracy on September 4, 2011
Size Name: 3 gallon
Got the three gallon for my betta because I'm going away on a 2 week trip soon, and while I have a pet sitter for my fishy and two cats, I want to make sure that everything is as fuss free as possible so my animals are happy. I originally had my betta in a one gallon bowl and it was a big hassle because it got dirty super quickly and I'd have to change out the water at least twice a week, which was stressful for the fish and I. Sashimi loves his new home! I love it too because it's far easier to maintain and looks beautiful.

Read many reviews with some unfair complaints - which I will address here because it's my way of giving back to a good product.. beyond giving my money, obviously! =)

- Current may be too strong for a betta. Yes, generally bettas like little to no current. This is no fault of the manufacturer - filtration systems obviously produce current, and this tank's current is as mild as it comes. I've read other reviews where other people's bettas do fine with the current in this tank and enjoy it. Mine doesn't, so I just had to make some adjustments. Initially, my poor betta was constantly struggling against the current, hiding from it at the side or bottom of the tank, or worse, getting his fins stuck to to the intake and then tearing them when he managed to struggle free. I immediately turned off the filtration, and purchased 5-6 silk plants to arrange around the intake and right below the outlet to break up the current. Turned it back on and the little guy was much happier and goes everywhere in the tank. Other kinds of fish will probably do just fine. Again - this is no fault of the manufacturer, just a characteristic of the betta fish that responsible owners have to pay attention to, like them needing warm temperatures and so on.
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