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Best 20 gallon fish tank for sale
Table of content
SaleBestseller No. 1 
Aqueon Aquarium Fish Tank Kit, 20 gallon, Black (100530578)
- 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. 2
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
SaleBestseller No. 3
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. 4
Tetra Aquatic Turtle Deluxe Kit 20 Gallons, aquarium With Filter And Heating Lamps, 30 IN (NV33230)
- COMPLETE aquarium KIT: 20-gallon tank is ideal for aquatic turtles, and this kit includes all the essentials needed for success, including a decorative filter with cartridges, basking platform, heating lamp, boxwood plant mat and screen top.
- INCLUDES WATER FILTER: Decorative ReptoFilter instantly creates a beautiful waterfall while keeping water clean with 3-stage filtration.
- HEATING: Dome lamps are incorporated into the screen top for warmth and prime basking.
- CONVENIENT: Includes Tetra food and water care product samples – everything you need to get started.
- DIMENSIONS: aquarium measures 30 inches wide x 12 inches deep x 12 inches tall.
- Age Range Description: All Life Stages
Bestseller No. 5
SeaClear 20 gal Acrylic Aquarium Combo Set, 24 by 13 by 16", Clear
- Combo includes aquarium, reflector and electrical 15" light fixture
- Acrylic aquariums are clearer than glass, 17 times stronger, and only half the weight!
- More impact resistant and less prone to chipping or cracking than glass, making it safer around children and pets
- Safe for Salt or Freshwater
- You won't believe how your fish and decorations will pop when viewing this beautiful SeaClear aquarium
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
SaleBestseller No. 2
Ameriwood Home Laguna Tide 29-37 Gallon Aquarium Stand, Espresso
- Bring your room to life with the Altra Laguna tide 29-37 gallon Aquarium stand
- Aquarium stand holds Tank sizes up to 37 gallons
- Two Cabinet doors conceal a Large shelf to keep your fish food, nets, and water treatment items
- Three open compartments hold your photos, collectibles and more
- Neutral Espresso finish looks great with any style from contemporary to modern
SaleBestseller No. 3
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. 4
Skrootz 20 Gallon Wood Aquarium Stand Paneled for 20/29 Maximum Concealed Storage Located Behind...
- Branded SKROOTZ product, sold exclusively by Skroutz seller; for LIFETIME GUARANTEE, choose Skroutz seller! "Test buys" will take place to other sellers for authenticity reasons.
- Fish require a reasonable situation to flourish, so it's critical to have a tough aquarium remain to give a strong establishment to your 20 or 29-gallon angle tank.
- Framed aquarium stand - 20/29-Gallon Aquarium Stand:
- Gathered measurements: 14"L x 30"W x 27" H
- It comes only with Skroutz unique E-BooK
SaleBestseller No. 5
Ollie & Hutch Ameriwood Home Flipper 10/20 Gallon Aquarium Stand, Rustic Oak, Ollie & Hutch Flipper...
- Get an aquarium stand that fits your needs with the Ollie & Hutch Flipper 10/20 Gallon Aquarium Stand
- Made of laminated MDF and particleboard, the medium brown woodgrain finish gives the Stand a classic look
- Unique patent design can support a 10 gallon stand on one end or a 20 gallon stand on the opposite end. Tank is not included
- Open and concealed storage can hold all of your nets, cleaning equipment, and food
- The Stand ships flat to your door and 2 adults are recommended to assemble. Stand can support 10 gallon tanks up to 120 lbs. or 20 gallon tanks up to 240 lbs. Assembled dimensions: 28.03”H x 25”W x 15.67”D
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
Bestseller No. 2
Mylivell Aquarium Heater Submersible Fish Tank Water Heater Thermostat-100W
- High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.
- Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20°~34°C(65° F - 93° F), and the display is easy to read.
- Fully Submersible. Power: 100W. Suggested water volume: 20 gal.
- Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.
- Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock.
Bestseller No. 3
Tetra 26446 HT Submersible Aquarium Heater With Electronic Thermostat, 100-Watt
- All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.
- The HT20 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
- Ideal for aquariums between 10 to 30 gallons with hoods or glass canopies
- The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other décor.
- Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.
SaleBestseller No. 4
Fluval M 100-Watt Submersible Heater
- Built in reflective technology mirrors the surrounding colors, making the heater blend into your aquarium environment
- Shock resistant Borosilicate glass; High density ceramic heat sick
- Slim profile tube for easy placement; Easy to install
- Exceptional performance and unsurpassed reliability
- Suitable for aquariums up to 30 gallons; 100 watts; 3 year warranty
Bestseller No. 5
Uniclife Aquarium Heater Preset Submersible with Electronic Thermostat for 20 Gallon Fish Tank...
- 5~20 gallons fish tanks were recommended. Applicable for freshwater, marine and tropical aquariums.
- Preset temperature of 78°F: Built-in electronic thermostat, Model No. PH100 would automatic heating water then maintain the temperature at 78±2° which is an ideal temperature for most of tropical fish. No adjustment needed, so not adjustable, please kindly note before order.
- Shut-off Automatically: LED indicator light would display red while it’s turned on and heating, will automatic turn off when the preset temperature( 78±2°) was reached.
- Anti-Shatter：Made of heat-resist thick quartz glass, shatterproof material to keep your fishes safe. UL listed, prevent the risk of fire, electric shock.
- Small Sized and Submersible: Fully submerge the heater, tightly fix it with 2 strong suction cups vertically or horizontally on the tank. Small size makes it easy to hide and save space.
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20 gallon fish tank filter
Bestseller No. 1
Marineland Penguin Bio-Wheel Power Filter 200 GPH, Multi-Stage aquarium Filtration
- WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
- MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
- COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
- FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.
Bestseller No. 2
Tetra Whisper Internal Filter 10 To 20 Gallons, For aquariums, In-Tank Filtration With Air Pump
- UNIVERSAL DESIGN Tetra Whisper 20i Internal Filter is an all-in-one air pump and water filter system
- INTERNAL FILTER Mounts on the inside of your aquarium with clip (included)
- CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
- AERATES WATER Air-driven design filters up to 125 GPH while oxygenating water
- CONVENIENT DESIGN Uses large easy to change Bio-Bag cartridges filter mounts inside aquarium making it possible to place tank flush against the wall
Bestseller No. 3
Tetra Whisper IQ Power Filter 20 Gallons, 130 GPH, with Stay Clean Technology
- QUIET aquarium FILTER: The Tetra Whisper IQ Power Filter with Stay Clean technology contains a sound shield for quiet filtration less than 40 dB.
- SELF PRIMING: Submerged motor starts up with no priming required.
- STAY CLEAN TECHNOLOGY: By maintaining healthy pH levels, creates easier maintenance for healthier fish.
- CARTRIDGE REFILLS: Change cartridges monthly; uses large-sized Tetra Whisper Bio-Bag Filter Cartridges (refills sold separately).
Bestseller No. 4
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 upto 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 upto 20 gallons
Bestseller No. 5
Tetra Whisper EX 30 Filter For 20 To 30 Gallon aquariums, Silent Multi-Stage Filtration (26311),...
- WHISPER QUIET The Tetra Whisper EX Power Filter provides silent multi-stage filtration for clear clean water
- FAST SETUP Sets up easily right out of the box – no priming required
- CONTINUOUS FLOW Moves water continuously to prevent debris buildup
- NO-MESS FILTER CARTRIDGE CHANGES Design minimizes dripping to make cartridge changes easy
- SIZE This filter fits 20 to 30 gallon aquariums
- Age Range Description: All Ranges