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Marineland Eclipse Hex Fully Integrated Aquarium Kit, 5-Gallon

305 customer reviews
| 10 answered questions

Currently unavailable.
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  • Top mounted, three-stage filtration system that has minimal rear space requirements for against-the-wall placement
  • 100% water-to-media contact for excellent water quality, and a healthier environment for your plants and fish
  • Easy to install and operate and provides unlimited, unhindered access to the entire aquarium
  • Fluorescent daylight bulb is ideal for plant growth and ornamental fish color enhancement
  • Available in 3, and 12 gallons, hexagonal 5 gallons and a corner 5 gallon
  • Top-mounted 3-stage filtration system fits conveniently against the wall
  • 100-percent water-to-media contact for excellent water quality
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There is a newer model of this item:

Tetra Color Fusion Aquarium
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Product Description

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.

Product Details

  • Product Dimensions: 14 x 12.5 x 16.8 inches
  • Shipping Weight: 6.2 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • 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 (305 customer reviews)
  • Amazon Best Sellers Rank: #97,232 in Pet Supplies (See Top 100 in Pet Supplies)
  • Product Warranty: For warranty information about this product, please click here

Customer Reviews

Most Helpful Customer Reviews

106 of 110 people found the following review helpful By slybiker on June 12, 2005
Size: 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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154 of 175 people found the following review helpful By Frank Forrest on January 6, 2008
Size: 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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20 of 20 people found the following review helpful By P. Killion on May 27, 2011
Size: 5-Gallon Verified Purchase
I purchased the 5-gallon hex design of the Marineland Eclipse systems, and I've had it up and running for a few months now and overall I'm pretty impressed. I should say that this is not my first tank, in fact this makes 7 (some of my others include a 55 Oscar tank, a 30 gal cichlid, etc, soon setting up a 125gal)! Yup, I've caught MTS (multiple-tank-syndrome) a while back, and its really become much more of a hobby then just something pretty to look at, but that's besides the point.

First, the acrylic means no seams for caulking, which is nice on a piece that has 5 visible joints. There also doesn't seem to be any size distortion when viewing like my glass tanks. However, the acrylic is far more likely to scratch, which means you need a specialized acrylic scrubber and have to be far more gentle when moving items around. This has been up and running for a little over a month, and I've banged a castle decor piece against the sides a few times, but I haven't had any scratches so far (knock on wood, er acrylic, whatever the case may be).

Setup is easy, and surprisingly, this is one of the best beginner kits I've seen, because the documents made a lot more sense then my other kits (most kits are just a bunch of parts thrown in a bigger box and have incredibly short and generic setup guides). However, while I do say anyone can learn and keep aquatic pets, I am hesitant to say everyone SHOULD keep aquatic pets. Even simple fish still require far more care then people realize.

The filter is very quiet, was easy to setup, and seems to do a pretty good job. The parts all seem to be made of fairly good construction.

I'd say the simplest setup for this tank would be a betta, which are incredibly easy-care fish, and a 5-gallon is the perfect size.
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