Shop best 5 gallon fish tank heater

Sponsored
$38.99
$45.99
Fluval Submersible Aquarium Tank Heater In Blue, Size: 300W | Petsmart
PetSmart
In store
28
Curbside
$38.99
$45.99
Fluval Submersible Aquarium Tank Heater In Blue, Size: 300W | Petsmart
PetSmart
28
$23.99
$44.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 300W | Petsmart
PetSmart
In store
Curbside
$23.99
$44.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 300W | Petsmart
PetSmart
$15.29
$16.19
Tetra HT Submersible Aquarium Tank Heater In Red, Size: 50W | Plastic Petsmart
PetSmart
In store
10K+
Curbside
$15.29
$16.19
Tetra HT Submersible Aquarium Tank Heater In Red, Size: 50W | Plastic Petsmart
PetSmart
10K+
$21.59
$42.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 200W | Petsmart
PetSmart
In store
7
Curbside
$21.59
$42.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 200W | Petsmart
PetSmart
7
$36.99
$43.99
Fluval Submersible Aquarium Tank Heater In Blue, Size: 200W | Petsmart
PetSmart
In store
4K+
Curbside
$36.99
$43.99
Fluval Submersible Aquarium Tank Heater In Blue, Size: 200W | Petsmart
PetSmart
4K+
$33.99
Top Fin Compact Aquarium Tank Heater, Size: 20-30 Gal | Petsmart
PetSmart
In store
Curbside
$33.99
Top Fin Compact Aquarium Tank Heater, Size: 20-30 Gal | Petsmart
PetSmart
$14.59
Top Fin Compact Aquarium Tank Heater, Size: 5-10 Gal | Petsmart
PetSmart
In store
Curbside
$14.59
Top Fin Compact Aquarium Tank Heater, Size: 5-10 Gal | Petsmart
PetSmart
$21.89
$37.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 100W | Petsmart
PetSmart
In store
Curbside
$21.89
$37.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 100W | Petsmart
PetSmart
$9.99
Top Fin Aquarium Tank Mesh Breeder | Mesh/Nylon/Plastic Petsmart
PetSmart
In store
Curbside
$9.99
Top Fin Aquarium Tank Mesh Breeder | Mesh/Nylon/Plastic Petsmart
PetSmart
$39.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 150W | Petsmart
PetSmart
In store
Curbside
$39.99
Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 150W | Petsmart
PetSmart
$33.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 16W | Petsmart
PetSmart
In store
Curbside
$33.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 16W | Petsmart
PetSmart
$24.39
Top Fin Compact Aquarium Tank Heater, Size: 10-20 Gal | Petsmart
PetSmart
In store
Curbside
$24.39
Top Fin Compact Aquarium Tank Heater, Size: 10-20 Gal | Petsmart
PetSmart
$21.99
$29.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 8W | Petsmart
PetSmart
In store
1K+
Curbside
$21.99
$29.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 8W | Petsmart
PetSmart
1K+
$23.98
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
$23.98
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
$27.99
Mini Fish Tank Heater For Aquarium: 50W/100W/200W/300W/500W Submersible Betta Turtle Heaters With Accurate Temperature LED Digital Display -
Amazon.com
17
$27.99
Mini Fish Tank Heater For Aquarium: 50W/100W/200W/300W/500W Submersible Betta Turtle Heaters With Accurate Temperature LED Digital Display -
Amazon.com
17
$20.99
$22.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 4W | Petsmart
PetSmart
In store
Curbside
$20.99
$22.99
Zoo Med Repti Therm Reptile Under Tank Heater, Size: 4W | Petsmart
PetSmart
$19.99
Hygger Nano Tank Heater | Submersible Fish Tank Heater - Glass Aqua 15W [HG097]
Glass Aqua Store
$19.99
Hygger Nano Tank Heater | Submersible Fish Tank Heater - Glass Aqua 15W [HG097]
Glass Aqua Store
$69.99
Hygger Aquarium Heater, Submersible Fish Tank Heater With Over-Temperature Protection And Automatic Power-Off, Fish Heater With Digital Controller
Amazon.com
18
Free shipping
$69.99
Hygger Aquarium Heater, Submersible Fish Tank Heater With Over-Temperature Protection And Automatic Power-Off, Fish Heater With Digital Controller
Amazon.com
18
$18.99
Hygger Tiny Aquarium Heater | Nano Betta Fish Tank Heater - Glass Aqua 25W [HG-045]
Glass Aqua Store
$18.99
Hygger Tiny Aquarium Heater | Nano Betta Fish Tank Heater - Glass Aqua 25W [HG-045]
Glass Aqua Store
$9.19
$21.99
Tetra HT30 Submersible Aquarium Heater & Electronic Thermosat, 100-Watt
Chewy.com
58% off
$9.19
$21.99
Tetra HT30 Submersible Aquarium Heater & Electronic Thermosat, 100-Watt
Chewy.com
$69.99
Sicce Scuba Contactless Heater | Aquarium Heater - Glass Aqua 400
Glass Aqua Store
$69.99
Sicce Scuba Contactless Heater | Aquarium Heater - Glass Aqua 400
Glass Aqua Store
$15.20
Sungrow Betta & Turtle Submersible Aquarium Tank Water Heater With Thermostat, 10-Watt, Up To 5-Gal
Chewy.com
131
$15.20
Sungrow Betta & Turtle Submersible Aquarium Tank Water Heater With Thermostat, 10-Watt, Up To 5-Gal
Chewy.com
131
$47.99
Hygger Quartz Heater | Submersible Fish Tank Heater - Glass Aqua 300W [UUS-HG043]
Glass Aqua Store
7-day returns (most items)
$47.99
Hygger Quartz Heater | Submersible Fish Tank Heater - Glass Aqua 300W [UUS-HG043]
Glass Aqua Store
7-day returns
$26.71
Aquarium Heater, 50 W
Carolina Biological Supply
$26.71
Aquarium Heater, 50 W
Carolina Biological Supply
$37.99
VEVOR 5 Gallon Metal Drum Heater 800 Watt 7.75 Inch Width86-302°F Adjustable
VEVOR
5% Off*
$37.99
VEVOR 5 Gallon Metal Drum Heater 800 Watt 7.75 Inch Width86-302°F Adjustable
VEVOR
5% Off*
$12.99
$13.99
Hydor Betta Bowl Slim Fish Tank Heater
Chewy.com
$12.99
$13.99
Hydor Betta Bowl Slim Fish Tank Heater
Chewy.com
$29.96
Hitauing Aquarium Heater, Upgrade AP01 300W/500W/800W/1000W Fish Tank Heater With Intelligent IC Chip Controller-Fast Heating, Precise Temperature
Amazon.com
82
$29.96
Hitauing Aquarium Heater, Upgrade AP01 300W/500W/800W/1000W Fish Tank Heater With Intelligent IC Chip Controller-Fast Heating, Precise Temperature
Amazon.com
82
$51.69
Fishkeeper Aquarium Heater, 1000 W Adjustable Fish Tank Heater With Digital Display Controller, Submersible Water Heater With Over-Temperature
Amazon.com
37
Free shipping
$51.69
Fishkeeper Aquarium Heater, 1000 W Adjustable Fish Tank Heater With Digital Display Controller, Submersible Water Heater With Over-Temperature
Amazon.com
37
$23.99
$35.99
Lvlrister Titanium Thermostat With Intelligent LED Display Submersible Aquarium Heater, 12.8-In, 300-Watt
Chewy.com
33% off
$23.99
$35.99
Lvlrister Titanium Thermostat With Intelligent LED Display Submersible Aquarium Heater, 12.8-In, 300-Watt
Chewy.com
$63.99
Hygger Titanium Pinpoint Heater | Fish Tank Heater - Glass Aqua 500W [BUS-HG902]
Glass Aqua Store
7-day returns (most items)
$63.99
Hygger Titanium Pinpoint Heater | Fish Tank Heater - Glass Aqua 500W [BUS-HG902]
Glass Aqua Store
7-day returns
$21.99
Cascade Fully Submersible Aquarium Heater, 100W
Tractor Supply Co.
6
$21.99
Cascade Fully Submersible Aquarium Heater, 100W
Tractor Supply Co.
6
$28.55
Aquarium Heater, 100 W
Carolina Biological Supply
$28.55
Aquarium Heater, 100 W
Carolina Biological Supply
$14.95
$17.99
Aqueon Aquatic Flat Heater, 7.5-Watt
Chewy.com
16% off
$14.95
$17.99
Aqueon Aquatic Flat Heater, 7.5-Watt
Chewy.com
$28.89
$47.99
Hydor Theo Aquarium Fish Heater, Black, 150-Watt
Chewy.com
4
39% off
$28.89
$47.99
Hydor Theo Aquarium Fish Heater, Black, 150-Watt
Chewy.com
4
$27.00
OASE Indoor Aquatics Heatup 150 Watt Aquarium Heater
Amazon.com
$27.00
OASE Indoor Aquatics Heatup 150 Watt Aquarium Heater
Amazon.com
$40.79
$87.67
Cobalt Aquatics Electronic Neo-Therm Pro Submersible Aquarium Heater, 25-Watt
Chewy.com
53% off
$40.79
$87.67
Cobalt Aquatics Electronic Neo-Therm Pro Submersible Aquarium Heater, 25-Watt
Chewy.com
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    Shop best 5 gallon fish tank heater

    Sponsored
    $38.99
    $45.99
    Fluval Submersible Aquarium Tank Heater In Blue, Size: 300W | Petsmart
    PetSmart
    In store
    28
    Curbside
    $38.99
    $45.99
    Fluval Submersible Aquarium Tank Heater In Blue, Size: 300W | Petsmart
    PetSmart
    28
    $23.99
    $44.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 300W | Petsmart
    PetSmart
    In store
    Curbside
    $23.99
    $44.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 300W | Petsmart
    PetSmart
    $15.29
    $16.19
    Tetra HT Submersible Aquarium Tank Heater In Red, Size: 50W | Plastic Petsmart
    PetSmart
    In store
    10K+
    Curbside
    $15.29
    $16.19
    Tetra HT Submersible Aquarium Tank Heater In Red, Size: 50W | Plastic Petsmart
    PetSmart
    10K+
    $21.59
    $42.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 200W | Petsmart
    PetSmart
    In store
    7
    Curbside
    $21.59
    $42.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 200W | Petsmart
    PetSmart
    7
    $36.99
    $43.99
    Fluval Submersible Aquarium Tank Heater In Blue, Size: 200W | Petsmart
    PetSmart
    In store
    4K+
    Curbside
    $36.99
    $43.99
    Fluval Submersible Aquarium Tank Heater In Blue, Size: 200W | Petsmart
    PetSmart
    4K+
    $33.99
    Top Fin Compact Aquarium Tank Heater, Size: 20-30 Gal | Petsmart
    PetSmart
    In store
    Curbside
    $33.99
    Top Fin Compact Aquarium Tank Heater, Size: 20-30 Gal | Petsmart
    PetSmart
    $14.59
    Top Fin Compact Aquarium Tank Heater, Size: 5-10 Gal | Petsmart
    PetSmart
    In store
    Curbside
    $14.59
    Top Fin Compact Aquarium Tank Heater, Size: 5-10 Gal | Petsmart
    PetSmart
    $21.89
    $37.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 100W | Petsmart
    PetSmart
    In store
    Curbside
    $21.89
    $37.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 100W | Petsmart
    PetSmart
    $9.99
    Top Fin Aquarium Tank Mesh Breeder | Mesh/Nylon/Plastic Petsmart
    PetSmart
    In store
    Curbside
    $9.99
    Top Fin Aquarium Tank Mesh Breeder | Mesh/Nylon/Plastic Petsmart
    PetSmart
    $39.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 150W | Petsmart
    PetSmart
    In store
    Curbside
    $39.99
    Marineland Visi-Therm Submersible Aquarium Tank Heater, Size: 150W | Petsmart
    PetSmart
    $33.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 16W | Petsmart
    PetSmart
    In store
    Curbside
    $33.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 16W | Petsmart
    PetSmart
    $24.39
    Top Fin Compact Aquarium Tank Heater, Size: 10-20 Gal | Petsmart
    PetSmart
    In store
    Curbside
    $24.39
    Top Fin Compact Aquarium Tank Heater, Size: 10-20 Gal | Petsmart
    PetSmart
    $21.99
    $29.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 8W | Petsmart
    PetSmart
    In store
    1K+
    Curbside
    $21.99
    $29.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 8W | Petsmart
    PetSmart
    1K+
    $23.98
    Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
    Amazon.com
    $23.98
    Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
    Amazon.com
    $27.99
    Mini Fish Tank Heater For Aquarium: 50W/100W/200W/300W/500W Submersible Betta Turtle Heaters With Accurate Temperature LED Digital Display -
    Amazon.com
    17
    $27.99
    Mini Fish Tank Heater For Aquarium: 50W/100W/200W/300W/500W Submersible Betta Turtle Heaters With Accurate Temperature LED Digital Display -
    Amazon.com
    17
    $20.99
    $22.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 4W | Petsmart
    PetSmart
    In store
    Curbside
    $20.99
    $22.99
    Zoo Med Repti Therm Reptile Under Tank Heater, Size: 4W | Petsmart
    PetSmart
    $19.99
    Hygger Nano Tank Heater | Submersible Fish Tank Heater - Glass Aqua 15W [HG097]
    Glass Aqua Store
    $19.99
    Hygger Nano Tank Heater | Submersible Fish Tank Heater - Glass Aqua 15W [HG097]
    Glass Aqua Store
    $69.99
    Hygger Aquarium Heater, Submersible Fish Tank Heater With Over-Temperature Protection And Automatic Power-Off, Fish Heater With Digital Controller
    Amazon.com
    18
    Free shipping
    $69.99
    Hygger Aquarium Heater, Submersible Fish Tank Heater With Over-Temperature Protection And Automatic Power-Off, Fish Heater With Digital Controller
    Amazon.com
    18