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The Tetra 20-Gallon Complete Tropical Fish Tank Kit is a premium glass aquarium package designed for freshwater enthusiasts. It features energy-efficient LED lighting for a natural daylight effect, a powerful internal filtration system combining mechanical and activated carbon filters to ensure clean, odor-free water, and an integrated heater with thermometer to maintain optimal tropical conditions. The kit includes essential accessories like decor, food, water conditioner, and a detailed setup guide, making it an ideal all-in-one solution for beginners and pros alike seeking a stylish, healthy aquatic habitat.







| ASIN | B013BXDZ90 |
| Additional Features | Transparent |
| Best Sellers Rank | #8,621 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Starter Kits |
| Brand | Tetra |
| Brand Name | Tetra |
| Color | Tetra |
| Customer Reviews | 4.3 out of 5 stars 3,774 Reviews |
| Global Trade Identification Number | 00047497338216 |
| Included Components | See label |
| Item Dimensions L x W x H | 24.2"L x 12.4"W x 16.7"H |
| Item Shape | Rectangular |
| Item Type Name | 20 Gallon Aquarium Kit |
| Manufacturer | United Pet Group |
| Manufacturer Part Number | NV33821 |
| Material | Glass |
| Material Type | Glass |
| Model Number | NV33821 |
| Product Dimensions | 24.2"L x 12.4"W x 16.7"H |
| Product Style | Traditional |
| Shape | Rectangular |
| Special Feature | Transparent |
| Specific Uses For Product | Indoor |
| Tank Volume | 20 Gallons |
| Target Species | Fish |
| UPC | 782560425553 047497338216 |
| Unit Count | 1 Count |
| Vivarium Type | Aquarium |
| Warranty Description | See label |
K**H
Good buy
I wish it was bit longer instead of taller. Most of your gallons are in height but the tank itself is beautiful and my sharks love it. Easy to clean and the heater that comes with it works great to keep the water warm. I have no leaks or cracks and the filter that comes with it works good. It is a bit louder than other ones but it puts in work. And had a great waterfall sound. It is decently heavy so be prepared to lift with your knees. All in all it’s a great tank and great size for little tetras and angelfish.
D**L
Noisy filter
This was my second aquarium set. Tank is good, lid is good but the filter makes a lot of noise and replaced it.
K**U
Great quality
Awesome aquarium kits did not come in broken and is really good for a beginner
H**E
Great Tank, Like Hinged Hood. Make Sure Pump Tube is Pressed Down Tight.
There are several components to this aquarium to review. Firstly, the tank itself. It seems made well, simple enough. Now the hood. It has perforated cutouts for a filter and such. It also has a rectangular feeding hole near the front. There are extra spaces in the back for the light cable and air tubing if so desired. The lights actually have to be placed into their respective slots on the underside of the hood and there is a channel for the cord. The light cord can come out the left or right side, depending on preference. There are also 2 hinges that need to be installed. We found installing them onto the hood first worked easier than putting them on the tank's rim first. Just make sure that the front lip of the hinge clip (shorter side) goes under the tank's inner rim or the hood will not go down flat/sit flush. I like the hood overall, but I am concerned about the light strips constant contact with water. They're not submerged in the water, but they stay wet nonetheless. The heater is not being used, so I can not comment on that. I did stick the exterior temperature strip on the outside of the tank. Now onto the other accessories. The fishnet is basic, simple. Tjere is also some aquarium starter to make tap water safe and a small sample of fish flakes. I highly recommend having your own fish food and aquarium solutions. The decor is sparse. They actually gave me the wrong decor for my tank. I did get the boxwood gravel mat, but the rest of the plants that were in my kit were the "GloFish" plants. They're really bright and cheap looking and are better suited for the GloFish version kit, which they are actually intended for. If I had wanted the GloFish accessories, I would have chosen the GloFish kit. All the rest of the decor in my picture was from my smaller aquarium or ones that I purchased separately. I'm glad I had my own stuff because the included decor is pretty chinsy. Lastly we're onto the "Whisper" filter system. Whisper is a bit of a stretch, more like humming filter. As you can guess this is not as quiet as they make it sound, but it is tolerable... well at least now it is. I did have an issue w/the filter being super loud for days. I was so annoyed because it sounded like a small aircraft taking off in my dining room and it could be heard throughout the house. I almost dropped the star rating severely because of the amount of noise this thing was making. I decided to tinker w/the filter system again to see if I got a defective one or if it was some other issue. I'm glad I did because it's way more quiet now, not a Whisper, but definitely not obnoxious. The tube that presses down into the pump had somehow gotten slightly loose. This was causing vibration and also the pump gear wasn't catching like it should. The result was the filter was super loud. Once I tinkered around and pulled the tube back up and pressed it back in until it clicked, then the noise dropped drastically. Also, I found that I can not use the bio sphere filter type mediums in the back of the filter either because they cause vibration too. The pump comes w/1 Large size filter. Make sure to buy/order more of those too for monthly changes.
M**S
GREAT TANK
I bought this tank for my two daughters, ages 4 and 7, who were interested in getting some glo fish. Originally the plan was to go with two small tanks for each of their rooms but quickly learned this was a much more cost effective option as well as more likely to have happy fish and be visually appealing. We liked the look of the Color Fusion versus the Glo Kit because of the color changing option. We have had the tank set-up without water for a couple weeks, finally filled it up and got the filter and heater going yesterday, and have made 6 GloFish a home today. This works really well with GloFish, for those that might be wondering. After a lot of shopping for tanks, I went with this kit because the reviews were positive, the price was right for what you get, and the customer service responses were encouraging that if we had any after purchase questions and needs, they would be taken care of, and they have been. This tank comes with.... - A pump and filter. It is quiet other than the water movement, which is actually quite relaxing. You need to change this monthly from what I understand. It has a low and hi setting. - A heater. It is not adjustable but seems to be holding the temp just fine for our Tropical GloFish. - A Color Fusion light. It cycles through the colors, you can press the button to halt in on a color if you wish. There is not an off button, so if you want the light off at night you will need to either unplug it or put it on a timer. So if you are counting that is 3 outlet openings that you will need and you should probably have this going to a ground fault outlet, which we did. - Comes with a few Color Fusion decorations and a really nice sea anemone decoration. -A net, a little packet of water conditioner, and a small packet of fish food. -A Thermometer - ours was missing this, but the company was really helpful in getting that resolved. What you will need to get: - You will need to get some more decorations for sure. No gravel comes in the kit. I bought a total of 34 lbs of gravel, All black for the base and then 2 - 2lbs of color glo gravel, and 2 small bags of gem rocks. - More fish food and water conditioner - A gravel vacuum - A background for the tank. I used black Cricut Vinyl. - The FISH :) April 2019 EDIT: After an estimated 9000 hours the light has quit working. We leave the light on about 12-14 hours a day and shut it off at night. I am attempting to contact company to see about a replacement. I am not finding what they state the life of the light should be, however, other companies that sell similar lights claim a guarantee for 50000 hours. I will let you all know what I find out. After finding a couple different contact emails with various responses one sent me a replacement light. We have the new one on a timer that is one 8 hours per day. We have a llevo and 5 Flo fish in the tank. And pleco like dark to get out and eat that algea so that is why the light settings
J**C
I personally love it. I had an aquarium growing up that ...
It's an aquarium. Not huge but big enough, you can put many different fish in it. I personally love it. I had an aquarium growing up that was the same size, but haven't had one in 20 years. This is a great one to get back in the game. Here are my initial impressions, and I will also leave some highly recommended upgrades to get you started. It's came securely packaged. Working for a few years in distribution, I am fine with how it was packaged and don't get the issue that some people complain about. It comes with a lot of nice little extras. Water treatment, thermometer, fishnet, fish food...every little thing you can think of to get started. If you are thinking of getting an aquarium, I would definitely start with this one. Now, bad things. Sorry, but I have to do this. It comes with an nonadjustable thermostat. It heats to about 74 -76 degree range, so this will be the very first part replaced. But it also doesn't come with an underwater filter and air diffuser of any kind. I know that the filter it comes with naturally diffuses air back into the water, but....personal preference. So here are the upgrades that I think you should add to your cart before you purchase this item. Start off by buying an undergravel, filter. This one fits perfectly Lee's 15/20 Original Undergravel Filter, 12-Inch by 24-Inch You will need tubing and an air pump for it. I went with this Air Pump. Rated for 40 gallons...should be great for an upgrade Tetra 77853 Whisper Air Pump, 40-Gallon You can never have too much tubing, so I added this also PENN PLAX Standard Airline Tubing Air Pump Accessories, 25-Feet and gravel Glofish Aquarium Gravel, Black with Fluorescent Highlights, 5-Pound Bag 2 bag minimum...I messed up and just bought 1 bag. It didn't even cover the bottom with a thin layer. 2 would work, I think, but I went ahead and just placed an order for an extra 2 that will give me a total of 3. An Air Manifold Hang on 4 Way Air Pump Manifold Valve Taps REMOVABLE for 4/6mm tubing line tube and some sort of background decor other than that, all you really need is a better heater. Temperature control is probably one of the most important things you can do for your fish beside feeding them. I just ordered this EHEIM Jager Aquarium Thermostat Heater 300W then just add fish, and you will be really happy.
R**S
Refused to help me. An so much broken and wrong
I reached out to company by phone and their contact sheet. No response. Clamps broken on light. Light is wrong light for the tank. Doesn’t fit under the lid at all and can’t go on back of tank due to filter and can’t go on side of tank due to its to long for the side. It’s fully not what’s advertised at all on the lights or how to install at all. The material is flimsy for lid and lid and clamps to lid are broken on one side and lid is cracked. Was a birthday gift I got bc my birthday is this week. Can’t send it back bc I don’t have the box. Figured it would all be new and nothing broken. I even went out and bought new items and rocks and new filters and lucky bamboo to add next week. Just tried tonight to finally take it off the counter and look at it and try to see if I could get it ready to cycle. Noticed the crack in the lid first. Thought okay it’s fine. Won’t be a big deal but nope then notice the lights are not even the right lights for the tank at all. Like no comparison to what’s suppose to come with it. So now I have cracked lid and no lights at all. Not to mention two clamps were broken as well. One for lid and one for the light that doesn’t even fit this tank. So I stopped their and didn’t even bother to look at the rest. Just done and out 160 plus dollars for a twenty gallon tank that has no lid and no lights. I could have bought a 20 gallon at pet store for 20$ on sale for what I got for this. If I could give zero stars I would for lack of communication and failure to help
M**T
Great product!
Excellent deal considering what it comes with, I couldn't find any other kit that came with as much stuff! I did buy 1 more plant and a hiding place for my ghost shrimp. Some one said the plants look fake, but they are supposed to as they are part of the "Wonderland " series. That being said I'll admit they look good under they changing light colors. The filter is great and it provides plenty of water movement and it's pretty quiet(it was noisy for the first 30 seconds until it worked all the air out of the turbine), the only noise to come from it now is the water cascading off of it. The heater seems to work good, although I purchased this tank as an upgrade for my 2 goldfish so I don't use the heater in this tank. I use it in their old 3 gallon fish tank with a betta. It keeps the water at an even 77 degrees F. I would recommend as some add ons; gravel, some kind of starter bacteria to cycle the tank faster, some more plants /decorations, and more water conditioner/food after the samples are used up. The instructions for the hood do say to clip the lights into the hood, but these lights (at least for the color fusion) are a different type that come with their own instructions which is easy to install and one that I prefer so when I open the hood I'm not blinded by the led lights. One other thing I would recommend to get if you don't want to wait to add fish is nitrifying bacteria such as marineland's bio spira that should cycle your tank in <48 hours.
M**E
Elle en vaut le prix!
Super aquarium je la conseille vraiment!
F**K
Muy buen producto
Muy buen producto, el kit qué trae, muy completo, me llego en buenas condiciones
I**O
Buenísimo, mucho más de lo que esperaba
En realidad no me fijé que traía tantas cosas y esperaba solo una pecera. El kit trae muchas cosas muy buenas para los aficionados a los peces. Muy buen precio.
P**Z
Dos meses ya.
Es un buen inicio ya que tiene todo lo necesario aunque en mi caso fue para substituir un pequeño acuario ya que mis peces estaban creciendo. Me parece que al filtro le falta capacidad de filtrado ya que entiendo que si el acuario es de 20 galones el filtro debería poder limpiar 60. Aunque ya lo apoye con otro filtro interno (del acuario anterior que me ayudó a acelerar el ciclado) y un producto que se llama Purigen (recomendado) Igualmente al filtro se le rompió la válvula de regulación de agua haciendo que no subiera por el tubo, pero con un poco de cinta teflón lo repare. Lo demás está bien. El calentador está preconfigurado para la temperatura y no se puede cambiar aunque se mantiene entre los 24 grados. En resumen me agrado la compra y la tapa con luces le dan muy buen aspecto. Ahora que bajo de precio me dan ganas de comprar otro jaja.
Y**O
Buena pecera. La lampara es de mala calidad. El resto, bastante bien.
Ojo. Viene sin grava. Hay que comprarla por separado. Algunos adornos son demasiado plásticosos. Compre algunos otros por fuera también. Tiene buen tamaño para comenzar. Buena calidad. La lámpara no se puede conectar a un timer o accesorio, ya que forzosamente se debe usar el botón de encendido de la lámpara para poderla encender. La lámpara deja de funcionar después de 1 mes. El resto de la pecera está muy bien. No he tenido ningún tipo de problema en 8 meses de uso
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