This small, easy-to-maintain aquarium is perfect for your home, office, classroom - anywhere! The Eclipse System 12 provides superior three-stage filtration in a 12-gallon, injection-molded acrylic aquarium. And its panoramic 360° view with full-spectrum fluorescent lighting lets you easily see all your aquarium pets and plants in natural daylight illumination. I currently have an Eclipse 12 but I have alos had an Eclipse 6 and 3 previously.They're quiet, don't take up much room and I' ve never had one leak yet. I love the fact that they are self contained. With the light on, the claim is that you won't need a heater because the light helps maintain the heat. I don't leave my light on a lot because of the location of the tank and I just felt better adding a heater. Depending on the fish you keep you can also add an airstone.
My only complaint is that you must lift the whole lid off to get to the inside of the tank. Otherwise, I would still recommend this acrylic tank.

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You can't play nice with people who don't play by the rules!

While too small for most fish species, these are great for your office at work, and are very easy to set-up and maintain.

It can go pretty much anywhere. Great for counter tops or end tables. Very convientent and easy to set-up.

Great for a planted betta tank .. Thats pretty much it though.

I've had mine set up as a planted betta community. I love it. It's quiet. Self contained. It's very easy to set up. I love my set up. The only con is the light isn't strong enough for my plants and they don't make a stronger bulb for it, so my swords are dying because of it. Otherwise, it's a great tank. I would definitely recommend it.

I have a 12g Eclipse and a 6g Eclipse. Currently both are in use as tanks for one betta and a few platies.

The hoods on these tanks are a real pain to get in and out of for any kind of maintainence. Even dropping food in, you have a fairly small area to work with. To do more than feed, you really have to lift the entire hood off the tank (and watch as the "access lid" falls on the floor each time!).

They also seem prone to algae and even though I've only used acryllic friendly products for cleaning, they are not crystal clear like my glass tanks. The lighting is also not as "pretty".

Basic, glass 10g or 14g kits are WAY nicer, imo, than these Eclipse tanks, and cost less, too.

These were the first aquariums I bought. I would not buy again even at 1/2 the price.

I like the Eclipse system for my 5g betta tank, but for a larger tank the filtration is way too poor for any kind of moderate stocking. Hardly any room for filter media besides the pre-made cartridges which are very expensive. I don't like mine and wouldn't recommend it to anyone for a size over the 5g (betta tank size).

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Originally Posted by i_am_511

Lighten up its just the internet its not like someone came in your house and punched a baby in the face.

I'm using the System 12 as a betta tank (so a very low bioload) and I've found it to be fabulous! I've cycled the tank, and was very pleased that the filter basket was more than large enough to accomodate a bag of bio media and some filter foam for mechanical filtration. The motor runs silently unless you basically press your ear up to the tank.

There is more than enough space in the tank to create a jungle of (in my case silk) plants and the shape is pretty much optimal for viewing the fish, as far as I'm concerned.

Out of the box, the tank was incredibly easy to set up, and everything is enclosed within the tank once running, so it has a very sleek, neat look. The tank is also nice and compact and can be put basically anywhere (provided that it can support ~120 lbs)

The one con is that the entire lid must be removed to do maintenance on the tank. There is a small, hinged door on the top of the tank, but it's mostly positioned over the filter and is best for only minor filter maintenance and for checking on the filter. Other than that, the entire hood (with the lighting assembly inside) must be lifted off to access much of the water's surface and to do maintenance on the tank.

Overall, I love this tank and would recommend it to anyone as a home for a betta. My fishy loves having all the space to live in and I can't imagine him in anything less.

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*We weep for a bird's cry, but not for a fish's blood. Blessed are those with a voice.* - Mamoru Oshii