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Best 20 gallon fish tank for sale
SaleBestseller No. 1 
Tetra Aquarium 20 Gallon Fish Tank Kit, Includes LED Lighting and Decor
- Tetra Glass Aquariums are made in the USA and are built to last with scratch resistant glass
- The Tetra Aquarium comes loaded with an LED hood, that provides a natural daytime effect and a Whisper Filter that is whisper quiet while providing powerful, dependable water flow
- Artificial Plants add a unique, natural ocean feel while giving your fish a place to hide which reduces fish stress
- The Tetra Kit includes: one 20 Gallon Glass Aquarium, one LED hood, one Tetra Mini UL Heater, one Tetra Whisper 20 Filter, one artificial Boxwood Plant Mat, four artificial plants. Add gravel and fish to complete your aquarium
- Aquarium Dimensions: 24.2" L x 12.4" W x 16.7" H
Bestseller No. 2 
Marina Aquarium Kit - 20 gallon Fish Tank - LED
- 20 U.S. gallon glass aquarium
- Includes a Marina Slim S20 clip on filter with quick change filter cartridges
- Includes everything you need to get your aquatic home started
- Measures: 24 inches L x 12.5 inches W x 16.5 inches H
Bestseller No. 3 
Aqueon Aquarium Fish Tank Kit, 20 gallon
- Low profile full hood contains vibrant cool white LED lighting to bring your aquatic environment to life
- QuietFlow 10 LED PRO power filter has a red LED light that flashes to indicate when it's time to change the cartridge - no more guessing!
- Preset heater will keep your aquarium temperature at a constant 78 degrees, appropriate for most tropical fish
- Complete setup guide included
- Complete aquarium kit includes: 20 gallon glass aquarium, low profile LED full hood, QuietFlow 10 LED PRO power filter with medium cartridge, 100W preset heater, premium fish food, water conditioner, fish net, stick-on thermometer
Bestseller No. 4 
Tetra Deluxe Aquatic Turtle Kit, 20-Gallon, 30 x 12 x 12-Inches
- This kit includes all the essentials needed for success, such as: a decorative filter, cartridges, basking platform, heating lamps, boxwood plant mat and screen top
- The Decorative ReptoFilter instantly creates a beautiful waterfall and basking area, while providing three-stage filtration
- Two dome lamps are located in the screen above the tank for warmth and prime basking
- This 20 gallon tank measures 30" x 12" x 12". ReptoMin Baby Floating Food Stick and AquaSafe samples
- Let your reptile bask in the light as your terrarium becomes the focal point of any room
SaleBestseller No. 5 
Hagen HG Fluval Flex Aquarium 57L, 15gal, Black
- The Fluval 15 gallon flex freshwater kit is one of very few freshwater aquarium Kits to incorporate brilliant illumination and multistage filtration with convenient Aquarium features and contemporary design. Your aquatic atmosphere will stand out with 48 white and 6 RGB fully adjustable 2450 lux LEDs shimmering over your fish and plants, while the 7500K LED lamp promotes Plant growth. Choose from this endless selection of color blends and the special effects options, all controlled from your included flexpad remote control. This is a fully fledged glass tank, and there is an infrared remote sensor that is neatly integrated and accessible on the canopy.To achieve superior water quality, powerful 3-stage filtration is included with oversized mechanical (foam), chemical (carbon), and biological (BioMax) media. The multi-directional 132 GPH dual outputs allow customized water flow, All hidden nicely in the rear compartment.This Aquarium features a unique curved front, creating the illusion of a larger aquatic environment and modern look to suit any room in your home or office. The water line of the rear compartment remains hidden with the stylish Honeycomb wrap. This assures your entire Aquarium looks sleek and clean. To finish this brilliant design, Enjoy the freedom of feeding your fish through the feed top cover opening.
20 gallon fish tank stand
SaleBestseller No. 1 
Ameriwood Home Flipper 10/20 Gallon Aquarium Stand, Black Oak
- Keep your aquarium size options open with the help of the Ameriwood Home Flipper 10/20 Gallon Aquarium Stand
- Unique patent design can support a 10 gallon stand on one end or a 20 gallon stand on the opposite end
- Stand supports 10 gallons and up to 120 lbs. or 20 gallon tanks up to 240 lbs. - tank not included
- Laminated MDF and particleboard
- Use the top open and bottom open cubbies to display home décor or photos
- This item comes with two different top shelves. - The small shelf part B holds up to 120 lbs and the large shelf part C holds up to 240 lbs
Bestseller No. 2 
Imagitarium Newport Wooden Tank Stand - for 20 Gallon Aquariums, 24.75 in
- Clean modern design
- Fish tank stands assemble quickly with easy to follow instructions
- Adjustable protective nylon leveling feet
Bestseller No. 3 
Ameriwood Home Cove 20 Gallon Aquarium Stand, Rustic Oak
- Proudly display your aquarium on the Ameriwood Home Cove 20 Gallon Aquarium Stand
- Made of laminated particleboard and MDF, the medium brown woodgrain finish pairs well with the brushed nickel door handles
- The 4 open cubbies and 2 doors provide both open and concealed storage for your fish food, nets, and tank cleaning supplies. Aquarium not included
- Finish your room with other items from Ameriwood Home (sold separately)
- The Stand can accommodate tanks up to 20 gallons or 240 lbs. Assembled dimensions: 30.0625"H x 25"W x 15.6875"D
Bestseller No. 4 
Ameriwood Home Wildwood Aquarium Stand, 20 gallon, Rustic White
- Add a touch of rustic style to your living room with the Wildwood 20 Gallon Aquarium Stand for tanks up to 20 gallons or 250 lbs
- The stand is crafted from a weathered white wood veneer and has laminated particleboard with black metal hardware accents to make it a sleek design to fit into any rustic, transitional or shabby chic living space
- The 2 doors open up to 2 spacious shelves to house your fish food, nets, water treatments and more
- Coordinate your living room with the Wildwood Fireplace TV Stand to carry on the rustic feel
- Each aquarium stand ships flat to your door and need to be assembled upon opening. The stand holds a 20 gallon tank or 250 lbs. Each shelf holds up to 15 lbs. Assembled dimensions: 30"H x 27.5"W x 15.75"D. Two adults are recommended for proper assembly
Bestseller No. 5 
Imagitarium Brooklyn Metal Tank Stand - for 29 Gallon Aquariums, 30 in
- Made with durable solid steel and sturdy construction
- Fish tank stand features adjustable feet for leveling before you add your tank
- Sleek and modern design with black finish
- Looks great with any aquarium or terrarium
- Available in a variety of sizes to suit your needs and the size of your tank
20 gallon fish tank heater
Bestseller No. 1 
Orlushy Submersible Aquarium Heater 100W for Marine Reef Fish Tank Sump
- 100W aquarium heater is suitable for 15 to 30 gallons aquariums,Length - 9",voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
- It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals.
- Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.
- Precise temperature dial from 68 to 89°F allows for complete control of aquatic climate within a 1-degree difference.
- Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached
SaleBestseller No. 2 
FREESEA 100Watt Aquarium Heater with LED Temperature Display for 10-20 Gallon Tank
- Temperature range: 59°F~94°F（15°C~34°C）, 50W 75W 100W display Fahrenheit °F，200W 300W display Celsius °C
- Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.
- Touch button, cyclic adjust temperature , easy to use and Safety.
- The heating rods to be completely immersed in water use, you can notleave the water for heating use,Please unplug the power supply when cleaning the fish tank or aquarium water changes.
- 12 Month Warranty and 24 Hour Professional After-sales Service.
SaleBestseller No. 3 
NICREW Submersible Mini Aquarium Heater, Aquatic Turtle Heater with Intelligent LED Temperature Display, 50W Small Fish Tank Heater
- Precise temperature adjustment from 68℉ to 94℉
- Convenient and secure design will automatically shut off if heater is no longer properly submerged, preventing damage
- LED temperature display allows easy visual confirmation of heater operation
- External controller allows easy and safe temperature adjustment outside
- Fully submersible heaters for aquariums up to 20G
Bestseller No. 4 
HITOP 50W 100W 300W Aquarium Fish Tank Heater, Traditional Glass Aquarium Heater with Thermometer (50W-Grey)
- [Explosion Proof]: 2mm thickened quartz glass, 33% thicker than normal aquarium heaters, much safer for both human and animals.
- [Over-Heat Protection]: After set the temp you want, automatic switch device and temperature detection system, water heater will turn off automatically when its temp reaches your pre-set, also will turn on when lower than your set, relieved and simple operation.
- [Accurate Temperature Control]: Adjustable heater from 61°F to 90°F (16°C - 32°C). A good temperature range for most fishes is 76°F to 80°F (25- 27°C). An additional stick-on thermometer as a bonus to detect water temp at any time.
- [Dimension]: 50W adopt 8-slot multi-branched heating wire ceramic frame, better heat dissipation, Suitable for 5-15 gallant fish tank ，7.8 x 1 x 1 inch, saving more space for your fish.
- [Accessories and Warranty]: An extra stick-on thermometer, and an extra suction cup providing for spare. Offer 12 months warranty and quick after-sales reply within 1-8 hours to answer your doubts.
Bestseller No. 5 
U-pick Aquarium Heater with Extra Thermometer,Submersible Fish Tank Heater with Adjustable Temperature 100W
- UPGRADED VERSION FOR CONTINUOUS WORKING: U-pick keeps improving best aquarium heater for your fish tank, after collecting so many comments from customers, we upgrade its function and life time, now it works more continuously and accurately.
- MORE SAFETY & HIGH QUALITY: This upgraded aquarium heater now updated for more durable Quartz Glass, which is pretty shatter-proof and blast-proof and prevents electricity leakage. And the stronger protective container updated for Anti-melting double sealed material, it is scald-preventing for your pets and your safety.
- A HEATER WITH ONE FREE THERMOMETER: This fish tank heater come with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. It provide a constant warm environment for your pet fish to stay healthy, suitable both for fresh and salt water.
- TEMPERATURE CONTROL: U-pick Aquarium heater works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature constantly and stably. Setting the temperature by the pink button on the top with range is 68°F - 94°F.
- TANK CAPACITY: Our submersible aquarium heaters are perfect designed for different size tank, from 3 gal to 80 Gal, please choose the suitable power for your tank. And we also recommend to position it near a strong water flow, the outlet of a power filter is ideal, so that the whole aquarium are in the same temperature.
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20 gallon fish tank filter
Bestseller No. 1 
Marineland Penguin Power Filter, 20 to 30-Gallon, 150 GPH
- Certified flow rate of 150GPH, perfect for all aquariums up to 30-gallon, uses the Rite-Size B filter cartridge
- Delivers easy, three stage mechanical, chemical, and biological aquarium filtration
- Convenient Penguin Rite Size Cartridges come ready to use with each filter
- Please refer the Product Manual, Set up Manual and the Instructional Video before use
SaleBestseller No. 2 
Aqua Clear - Fish Tank Filter - 5 to 20 Gallons - 110v
- Refiltration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
- Quick and easy installation
- Filtration volume is up to 7 times larger than comparable filters
- Comes equipped with AquaClear Foam, Activated Carbon and BioMax and Cycle Guard for continuous biological filtration and superior water quality
- 2 year warranty; Ideal for aquariums up to 20 gallons
Bestseller No. 3 
Tetra 78001 Whisper IQ Power 20 Gallon Filter
- USES STAYCLEAN TECHNOLOGY: A quiet, durable and easy filter system that uses Stay Clean Technology to provide easier maintenance and healthier fish.
- FLOW CONTROL: Reduce the flow as low as 10 GPH for Bettas, plants, feeding or other low flow needs.
- QUIET: A sound barrier decouples the motor from the filter to produce sound less than 40 decibels. Minimal noise
- NO PRIMING REQUIRED: The submerged motor starts up with no priming required.
- FOR 20 GALLON AQUARIUMS: The adjustable intake telescopes up or down to fit your aquarium's needs.
SaleBestseller No. 4 
NO.17 Submersible Aquarium Internal Filter 8W, Adjustable Fish Tank Filter with 200 GPH Water Pump for 10-50 Gallon Fish Tank
- 🐟[8W AQUARIUM FILTER]: This Fish Tank Internal Filter is a system that create a clean and fresh living environment for your lovely fish. 8 watt is perfect for 10-50 gallon large aquariums.
- 🐟[ADJUSTABLE 200 GPH WATER PUMP]: Max Flow Rate: 200 GPH(800L/H), Max Lift height: up to 3.28 Feet.(Length of power cord:1.6M=5.25ft). This water pump is designed for reliability and ultra-quiet operation, and you have a key to adjust the flow rate.
- 🐟[2NOZZLE, 2 MODEL]: In this package, there have 2 nozzle, you could choose 2 nozzle to clean and fresh your aquarium.
- 🐟[MULTIPLE FILTER MEDIA]: The filter with multiple filter media for all filtration purposes. Your lovely fish or turtle will have a clean and fresh environment for living.
- 🐟[WARRANTY]: All products purchased from our company are guaranteed to keep in good repair for 180 days.If quality problems happen in guaranteed period, our company will maintain for free.
Bestseller No. 5 
Tetra Whisper EX Silent Multi-Stage Power Filter for Aquariums
- Every feature of the Whisper EX has been designed with simplicity and convenience in mind. This is truly the intuitive filtration system.
- Simple Set Up - Ready to go right out of the box. No priming required.
- Scientifically Engineered Water Flow -- Continuous flushing action prevents debris buildup.
- Outflow maximizes water agitation and oxygenation. Whisper EX Filtration Systems use Tetra EX Carbon Filters.