Bulk Reef Supply Saltwater Logo
Bulk Reef Supply Freshwater Logo

FREE Shipping Over $49

| Earn Reward Points
Menu
My Cart
Close

Quick Links

Menu
Fast Shipping Fast Shipping
Sign up to be a Reward Member Earn Reward Points
Returns 365-Day Returns
Experts Aquarium Experts

20 Gallons & Under

Discover a curated selection of versatile freshwater aquariums, 20 gallons and under, designed to fit seamlessly into any space while providing an ideal environment for your aquatic companions.
Loading...
Set Descending Direction

48 Items

  1. HelloReef GloFish® Aquarium Kit
    HelloReef
    HelloReef GloFish® Aquarium Kit
    $399.99 $399.99

  2. Fluval Flex 15 Gallon Aquarium Kit
    2 Reviews
    Fluval
    Fluval Flex 15 Gallon Aquarium Kit
    $159.99 $159.99

  3. Fluval Flex 15 Gallon Aquarium Stand (Black)
    Fluval
    Fluval Flex 15 Gallon Aquarium Stand (Black)
    $94.99 $94.99

  4. UNS 30C 7 Gallon Aquarium Starter Kit
    Bulk Reef Supply
    UNS 30C 7 Gallon Aquarium Starter Kit
    $199.99 $199.99

    View Details
  5. UNS 90B 12 Gallon Aquarium Starter Kit
    Bulk Reef Supply
    UNS 90B 12 Gallon Aquarium Starter Kit
    $479.99 $479.99

    View Details
  6. 30C Rimless Aquarium - 7 Gallon
    Ultum Nature Systems
    30C Rimless Aquarium - 7 Gallon
    $79.99 $79.99

  7. 90B Rimless Aquarium - 12 Gallon
    Ultum Nature Systems
    90B Rimless Aquarium - 12 Gallon
    $141.99 $141.99

  8. 60L Rimless Aquarium - 6 Gallon
    Ultum Nature Systems
    60L Rimless Aquarium - 6 Gallon
    $89.99 $89.99

  9. 10 Gallon Scapers Planted Aquarium Kit
    AquaZen
    10 Gallon Scapers Planted Aquarium Kit
    $180.00 $180.00

  10. 4 Gallon Scapers Planted Aquarium Kit
    AquaZen
    4 Gallon Scapers Planted Aquarium Kit
    $140.00 $140.00

  11. Dice Series Pico Cube Aquarium (2 Gal)
    2 Reviews
    Maxspect
    Dice Series Pico Cube Aquarium (2 Gal)
    From: $199.99

    Choose Options Notify Me When In-Stock
  12. Fluval Spec 5 Gallon Aquarium Kit
    Fluval
    Fluval Spec 5 Gallon Aquarium Kit
    $124.99 $124.99

  13. EDEN 20 FLED Aquarium & Stand (20 Gallons)
    Waterbox Aquariums
    EDEN 20 FLED Aquarium & Stand (20 Gallons)
    From: $519.00

    Choose Options Notify Me When In-Stock
  14. 3 Gallon Nano Cube Rimless Aquarium Kit
    Lifegard Aquatics
    3 Gallon Nano Cube Rimless Aquarium Kit
    $94.99 $94.99

  15. 2 Gallon Nano Cube Rimless Aquarium Kit
    Lifegard Aquatics
    2 Gallon Nano Cube Rimless Aquarium Kit
    $84.99 $84.99

  16. 1 Gallon Nano Cube Rimless Aquarium Kit
    Lifegard Aquatics
    1 Gallon Nano Cube Rimless Aquarium Kit
    $79.99 $79.99

  17. Fluval Spec 5 Gallon Aquarium Starter Kit
    Bulk Reef Supply
    Fluval Spec 5 Gallon Aquarium Starter Kit
    $209.99 $209.99

    View Details
  18. Fluval Flex 15 Gallon Planted Aquarium Starter Kit
    Bulk Reef Supply
    Fluval Flex 15 Gallon Planted Aquarium Starter Kit
    $219.99 $219.99

    View Details
  19. Fluval Spec 16 Gallon Aquarium Kit
    Fluval
    Fluval Spec 16 Gallon Aquarium Kit
    $264.99 $264.99

  20. Fluval Spec 2.6 Gallon Aquarium Kit
    Fluval
    Fluval Spec 2.6 Gallon Aquarium Kit
    $95.99 $95.99

  21. Fluval Flex 9 Gallon Aquarium Kit
    Fluval
    Fluval Flex 9 Gallon Aquarium Kit
    $119.99 $119.99

  22. Fluval Betta Premium Kit (2.64 Gal)
    Fluval
    Fluval Betta Premium Kit (2.64 Gal)
    $99.99 $99.99

  23. Dice AIO 12 Gallon Nano Cube Aquarium
    Maxspect
    Dice AIO 12 Gallon Nano Cube Aquarium
    $199.99 $199.99

  24. DeskMate 4.8 Gallon AIO Aquarium w/ LED Light
    Eshopps
    DeskMate 4.8 Gallon AIO Aquarium w/ LED Light
    $179.98 $179.98

  25. 10 NUVO Fusion PRO 2 AIO Aquarium Bundle
    Innovative Marine
    10 NUVO Fusion PRO 2 AIO Aquarium Bundle
    $321.00 $321.00

  26. 20 Gallon Nano Rimless AIO Aquarium
    JBJ
    20 Gallon Nano Rimless AIO Aquarium
    $240.00 $240.00

  27. 15 Gallon Nano Rimless AIO Aquarium
    JBJ
    15 Gallon Nano Rimless AIO Aquarium
    $205.00 $205.00

  28. 10 Gallon Nano Rimless AIO Aquarium
    JBJ
    10 Gallon Nano Rimless AIO Aquarium
    $155.00 $155.00

  29. 12 Gallon Bookshelf Rimless Tank - Standard Glass
    Mr. Aqua
    12 Gallon Bookshelf Rimless Tank - Standard Glass
    $150.99 $150.99

  30. 3 Gallon Rimless Bow Front Aquarium
    Mr. Aqua
    3 Gallon Rimless Bow Front Aquarium
    $64.99 $64.99

  31. 7.5 Gallon Cube Tank - Low Iron Glass
    Mr. Aqua
    7.5 Gallon Cube Tank - Low Iron Glass
    $110.99 $110.99

  32. 7.5 Gallon Cube Tank - Standard Glass
    Mr. Aqua
    7.5 Gallon Cube Tank - Standard Glass
    $84.99 $84.99

  33. Cube 20 Nano AIO Aquarium - Waterbox
    Waterbox Aquariums
    Cube 20 Nano AIO Aquarium - Waterbox
    $269.99 $269.99

  34. Foresta Paludarium 60E
    Ultum Nature Systems
    Foresta Paludarium 60E
    $439.99 $439.99

  35. Foresta Paludarium 35E
    Ultum Nature Systems
    Foresta Paludarium 35E
    $349.99 $349.99

  36. 20 Gallon Nano Aquarium Stand - Black
    JBJ
    20 Gallon Nano Aquarium Stand - Black
    $245.00 $245.00

  37. 15 Gallon Nano Aquarium Stand - Black
    JBJ
    15 Gallon Nano Aquarium Stand - Black
    $235.00 $235.00

  38. 10 Gallon Nano Aquarium Stand - Black
    JBJ
    10 Gallon Nano Aquarium Stand - Black
    $225.00 $225.00

  39. HelloReef 15 Gallon Aquarium Stand
    4 Reviews
    HelloReef
    HelloReef 15 Gallon Aquarium Stand
    From: $149.99

    Choose Options Notify Me When In-Stock
  40. 60U Rimless Aquarium - 20 Gallon
    Ultum Nature Systems
    60U Rimless Aquarium - 20 Gallon
    $174.99 $174.99