Shop best fish tank heaters

Sponsored
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$27.99
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
751
$27.99
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
751
$56.99
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1000W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display,
Amazon.com
2K+
Free shipping
$56.99
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1000W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display,
Amazon.com
2K+
$56.99
Hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater With Digital LED Controller And Intelligent Leaving Water Automatically Stop
Amazon.com
126
Free shipping
$56.99
Hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater With Digital LED Controller And Intelligent Leaving Water Automatically Stop
Amazon.com
126
$23.99
Orlushy 100W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
456
$23.99
Orlushy 100W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
456
$98.99
OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue
Chewy.com
1
$98.99
OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue
Chewy.com
1
$23.97
$29.99
Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-Watt
Chewy.com
20% off
$23.97
$29.99
Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-Watt
Chewy.com
$36.99
Fluval M 200Watt Submersible Fish Heater
Chewy.com
21
$36.99
Fluval M 200Watt Submersible Fish Heater
Chewy.com
21
$48.97
$78.00
500W LCD Digital Aquarium Heater, Submersible Fish Tank Thermostat With Safety Protection
Until Times Up
37% off
$48.97
$78.00
500W LCD Digital Aquarium Heater, Submersible Fish Tank Thermostat With Safety Protection
Until Times Up
$15.29
Tetra Submersible Heater 50 Watts For Aquariums Up To 10Gal Aquarium And Terrarium Tools
Target
Free shipping
$15.29
Tetra Submersible Heater 50 Watts For Aquariums Up To 10Gal Aquarium And Terrarium Tools
Target
Free shipping
$65.88
$90.26
Aquatop Aquatic Supplies - Titanium Aquarium Heater - 800 Watt
callifox.com
27% off
$65.88
$90.26
Aquatop Aquatic Supplies - Titanium Aquarium Heater - 800 Watt
callifox.com
$13.59
Aquarium Heater 50 W, Submersible Fish Tank Heater Thermostat With Suction Cup For 5 To 15 Gal Tank
Walmart
19
$13.59
Aquarium Heater 50 W, Submersible Fish Tank Heater Thermostat With Suction Cup For 5 To 15 Gal Tank
Walmart
19
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
Suthisav
Free shipping
23% off
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
Suthisav
Free shipping
$3.99
Aqueon Aquatic Flat Heater - Pet Supplies Online Store
kriblink.com
$3.99
Aqueon Aquatic Flat Heater - Pet Supplies Online Store
kriblink.com
$60.89
$86.99
Hygger 500W 800W Aquarium Heater, Submersible Fish Tank Water Heater With External Color LED Digital Temperature Controller, Fast Heating For 60180 Gallon For Saltwater And Freshwater
cauled.com
Free shipping
30% off
$60.89
$86.99
Hygger 500W 800W Aquarium Heater, Submersible Fish Tank Water Heater With External Color LED Digital Temperature Controller, Fast Heating For 60180 Gallon For Saltwater And Freshwater
cauled.com
Free shipping
$17.99
Tetra Submersible Heater 100 Watts For 10 To 30Gal Aquarium Parts And Accessories
Target
Free shipping
$17.99
Tetra Submersible Heater 100 Watts For 10 To 30Gal Aquarium Parts And Accessories
Target
Free shipping
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
woodmaninteriorus
Free shipping
23% off
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
woodmaninteriorus
Free shipping
$19.72
Aquarium Heater 300W Submersible Fish Tank Heater, 20-100 Gallon Fish Heater Auto Thermostat, 1Pcs
Walmart
Free shipping
$19.72
Aquarium Heater 300W Submersible Fish Tank Heater, 20-100 Gallon Fish Heater Auto Thermostat, 1Pcs
Walmart
Free shipping
$49.49
$89.99
Hygger 500W Titanium Aquarium Heater For Salt Water And Fresh Water, Digital Submersible Heater With External IC Thermostat Controller And Thermometer, For Fish Tank 60-120 Gallon
cauled.com
Free shipping
45% off
$49.49
$89.99
Hygger 500W Titanium Aquarium Heater For Salt Water And Fresh Water, Digital Submersible Heater With External IC Thermostat Controller And Thermometer, For Fish Tank 60-120 Gallon
cauled.com
Free shipping
$51.99
Hygger Submersible Fish Tank Heater | Glass Aqua 500W [HG043]
Glass Aqua Store
2
$51.99
Hygger Submersible Fish Tank Heater | Glass Aqua 500W [HG043]
Glass Aqua Store
2
$42.34
$58.01
Hydor ETH External Thermal Aquarium Heater, 200 W
callifox.com
27% off
$42.34
$58.01
Hydor ETH External Thermal Aquarium Heater, 200 W
callifox.com
$32.98
$45.18
Hydor Theo Heater - Submersible Aquarium Heater 400 Wats - 15.5 Inch Long (80-105
callifox.com
27% off
$32.98
$45.18
Hydor Theo Heater - Submersible Aquarium Heater 400 Wats - 15.5 Inch Long (80-105
callifox.com
$10.00
$11.17
Fish Tank Heating Rod, Heating Rod, Temperature Automatic Constant Submersible Water Heater Heating Rod Aquarium For
Walmart
1
10% off
$10.00
$11.17
Fish Tank Heating Rod, Heating Rod, Temperature Automatic Constant Submersible Water Heater Heating Rod Aquarium For
Walmart
1
$49.49
$89.99
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
cauled.com
Free shipping
45% off
$49.49
$89.99
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
cauled.com
Free shipping
$11.99
Top Fin Submersible Aquarium Tank Heater - Pet Supplies Online Store
kriblink.com
$11.99
Top Fin Submersible Aquarium Tank Heater - Pet Supplies Online Store
kriblink.com
$42.68
$55.48
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
woodmaninteriorus
Free shipping
23% off
$42.68
$55.48
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
woodmaninteriorus
Free shipping
$23.99
Tetra Submersible Heater 150 Watts For 30 To 40Gal Aquarium Parts And Accessories
Target
Free shipping
$23.99
Tetra Submersible Heater 150 Watts For 30 To 40Gal Aquarium Parts And Accessories
Target
Free shipping
$983.75
Elecro - CYGNET - Titanium - Inline Heater - 1.0 Kw ( 1000 Watts ) - 115V
123 Ponds
$983.75
Elecro - CYGNET - Titanium - Inline Heater - 1.0 Kw ( 1000 Watts ) - 115V
123 Ponds
$38.79
$77.99
Hygger Saltwater Tank Titanium Tube Submersible Pinpoint Aquarium Heater With Digital Thermostat, IC Temp Controller 200 Watt
shop teamprsfit
50% off
$38.79
$77.99
Hygger Saltwater Tank Titanium Tube Submersible Pinpoint Aquarium Heater With Digital Thermostat, IC Temp Controller 200 Watt
shop teamprsfit
$69.95
$74.99
Aqueon Pro 300 Submersible Aquarium Heater, 300 Watts
Petco.com
1K+
$69.95
$74.99
Aqueon Pro 300 Submersible Aquarium Heater, 300 Watts
Petco.com
1K+
$39.40
$58.08
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
SHOP BRIGHT
32% off
$39.40
$58.08
Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller
SHOP BRIGHT
$27.80
Aquarium Heater, 50 W
Carolina Biological Supply
$27.80
Aquarium Heater, 50 W
Carolina Biological Supply
$69.90
Thermo-Pond Perfect Climate 300W Submersible Pond Heater / Deicer
123 Ponds
516
$69.90
Thermo-Pond Perfect Climate 300W Submersible Pond Heater / Deicer
123 Ponds
516
$8.99
Top Fin Submersible Aquarium Tank Heater - Pet Supplies Online Store
kriblink.com
$8.99
Top Fin Submersible Aquarium Tank Heater - Pet Supplies Online Store
kriblink.com
$55.99
Aqueon Adjustable PRO Aquarium Heater Up To 20 Gal-50 Watts
HardyPaw
1K+
$55.99
Aqueon Adjustable PRO Aquarium Heater Up To 20 Gal-50 Watts
HardyPaw
1K+
$96.82
$232.37
Hygger Saltwater Tank Titanium Tube 500 Watt Submersible Pinpoint Aquarium Heater With Digital Thermostat, IC Temp Controller
shop teamprsfit
58% off
$96.82
$232.37
Hygger Saltwater Tank Titanium Tube 500 Watt Submersible Pinpoint Aquarium Heater With Digital Thermostat, IC Temp Controller
shop teamprsfit
$44.97
$89.94
Aquarium Heater Adjustable Submersible USB Mini Fish Tank Heater With Digital Display Temperature Controller 20W 25W - 25W | Uplift Essentials
Inspire Uplift
Free shipping
50% off
$44.97
$89.94
Aquarium Heater Adjustable Submersible USB Mini Fish Tank Heater With Digital Display Temperature Controller 20W 25W - 25W | Uplift Essentials
Inspire Uplift
Free shipping
The 7 Best Ice Fishing Heaters Reviewed (Updated for 2026)
The 7 Best Ice Fishing Heaters Reviewed (Updated for 2026)
1 month ago
bonfirebob.com
How To Keep A Fish Tank Warm Without A Heater: 13 Safe Hacks
How To Keep A Fish Tank Warm Without A Heater: 13 Safe Hacks
Dec 20, 2024
fishkeepingwisdom.com
9.9K views · 120 reactions | Discover why aquarium heaters are...
0:59
9.9K views · 120 reactions | Discover why aquarium heaters are...
4.2K views1 month ago
FacebookKaveMan Aquatics
Best Aquarium Heater: The Ultimate Guide in 2025
Best Aquarium Heater: The Ultimate Guide in 2025
Oct 5, 2018
fishkeepingworld.com
Aquarium Heater Guide (Aquarium Heater Size Chart) - Fish Laboratory
Aquarium Heater Guide (Aquarium Heater Size Chart) - Fish Laboratory
May 22, 2021
fishlaboratory.com
3 BEST Fish Tank Heater on Amazon
8:45
3 BEST Fish Tank Heater on Amazon
1 views1 month ago
YouTubeBest For Our Pets
Good, Better, Best: Our Favorite Aquarium Heaters!
2:16
Good, Better, Best: Our Favorite Aquarium Heaters!
2.4K views1 month ago
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
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Unboxing aquarium heater Best Aquarium Heater for Fish Tank #p…
6.6K views4 months ago
YouTubeBlessings Aquarium
Fix Aquarium Heater Issues with This $20 Hack!
890 views11 months ago
YouTubeThis Way to the Aquarium
How to Choose an Aquarium Heater | BigAlsPets.com
115K viewsFeb 13, 2019
YouTubeBig Al's
Best Heaters for a 5-Gallon Freshwater Aquarium Fish Tank: …
Feb 24, 2016
pethelpful.com
0:25
PNW Bettas on TikTok
23.1K viewsOct 14, 2020
TikTokpnwbettas
Honest Review on Hygger Aquarium Heaters
18.7K viewsMay 20, 2022
YouTubePalmer Fish Talk
2:49
Fluval P Series Aquarium Heaters
64.5K viewsJun 18, 2021
YouTubeFluval Aquatics
14:09
10 Best Fish Tank Cleaners!
4M viewsApr 5, 2020
YouTubeKGTropicals
8:22
The Best Aquarium Heater | Fluval E300 Review
34.6K viewsJun 27, 2019
YouTubeTrek On The Air
18:04
Top Ten Aquarium Heater Tips For Beginners
39.7K viewsApr 6, 2021
YouTubeBRStv - Saltwater Aquariums & Reef Tanks
31:20
Fish Tank Heater - How to Setup? Aquarium Installation
62.2K viewsJan 1, 2019
YouTubeChris with Palmer Aquatics
17:20
The Truth About Aquarium Heaters (and Why They Always Break...)
319.3K viewsJan 12, 2020
YouTubeAquarium Co-Op
3:37
Best Aquarium Heater 2022 | Top 5 Aquarium Heaters
31.2K viewsFeb 27, 2021
YouTubeProduct Guide
6:41
Top Fin 20W Betta Tank Heater | Unboxing and Installation
14.8K viewsJan 19, 2020
YouTubeBetterBetta
13:34
How to Choose The Right Filter For Your Aquarium!
346K viewsDec 28, 2019
YouTubePrime Time Aquatics
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POOL HEATERS: What's The Best Pool Heater To Buy?
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28.5K viewsJan 13, 2021
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61.3K viewsMar 15, 2021
YouTubeSimply Betta
See more videos
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Shop best fish tank heaters

Sponsored
About our ads
$27.99
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
751
$27.99
Orlushy 300W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
751
$56.99
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1000W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display,
Amazon.com
2K+
Free shipping
$56.99
AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1000W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display,
Amazon.com
2K+
$56.99
Hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater With Digital LED Controller And Intelligent Leaving Water Automatically Stop
Amazon.com
126
Free shipping
$56.99
Hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater With Digital LED Controller And Intelligent Leaving Water Automatically Stop
Amazon.com
126
$23.99
Orlushy 100W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
456
$23.99
Orlushy 100W Submersible Aquarium Heater, Adjustable Fish Tank Heater With Digital Display External Controller, Overheat Protection And Free
Amazon.com
456
$98.99
OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue
Chewy.com
1
$98.99
OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue
Chewy.com
1
$23.97
$29.99
Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-Watt
Chewy.com
20% off
$23.97
$29.99
Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-Watt
Chewy.com
$36.99
Fluval M 200Watt Submersible Fish Heater
Chewy.com
21
$36.99
Fluval M 200Watt Submersible Fish Heater
Chewy.com
21
$48.97
$78.00
500W LCD Digital Aquarium Heater, Submersible Fish Tank Thermostat With Safety Protection
Until Times Up
37% off
$48.97
$78.00
500W LCD Digital Aquarium Heater, Submersible Fish Tank Thermostat With Safety Protection
Until Times Up
$15.29
Tetra Submersible Heater 50 Watts For Aquariums Up To 10Gal Aquarium And Terrarium Tools
Target
Free shipping
$15.29
Tetra Submersible Heater 50 Watts For Aquariums Up To 10Gal Aquarium And Terrarium Tools
Target
Free shipping
$65.88
$90.26
Aquatop Aquatic Supplies - Titanium Aquarium Heater - 800 Watt
callifox.com
27% off
$65.88
$90.26
Aquatop Aquatic Supplies - Titanium Aquarium Heater - 800 Watt
callifox.com
$13.59
Aquarium Heater 50 W, Submersible Fish Tank Heater Thermostat With Suction Cup For 5 To 15 Gal Tank
Walmart
19
$13.59
Aquarium Heater 50 W, Submersible Fish Tank Heater Thermostat With Suction Cup For 5 To 15 Gal Tank
Walmart
19
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
Suthisav
Free shipping
23% off
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
Suthisav
Free shipping
$3.99
Aqueon Aquatic Flat Heater - Pet Supplies Online Store
kriblink.com
$3.99
Aqueon Aquatic Flat Heater - Pet Supplies Online Store
kriblink.com
$60.89
$86.99
Hygger 500W 800W Aquarium Heater, Submersible Fish Tank Water Heater With External Color LED Digital Temperature Controller, Fast Heating For 60180 Gallon For Saltwater And Freshwater
cauled.com
Free shipping
30% off
$60.89
$86.99
Hygger 500W 800W Aquarium Heater, Submersible Fish Tank Water Heater With External Color LED Digital Temperature Controller, Fast Heating For 60180 Gallon For Saltwater And Freshwater
cauled.com
Free shipping
$17.99
Tetra Submersible Heater 100 Watts For 10 To 30Gal Aquarium Parts And Accessories
Target
Free shipping
$17.99
Tetra Submersible Heater 100 Watts For 10 To 30Gal Aquarium Parts And Accessories
Target
Free shipping
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
woodmaninteriorus
Free shipping
23% off
$36.99
$48.09
Hygger ETL Certification Aquarium Heater, 50W/100W/200W/300W Submersible Fish Tank Thermostat Heater With Adjust Knob Suction Cup For Small Betta Coral Saltwater And Freshwater
woodmaninteriorus
Free shipping
$19.72
Aquarium Heater 300W Submersible Fish Tank Heater, 20-100 Gallon Fish Heater Auto Thermostat, 1Pcs
Walmart
Free shipping
$19.72
Aquarium Heater 300W Submersible Fish Tank Heater, 20-100 Gallon Fish Heater Auto Thermostat, 1Pcs
Walmart
Free shipping
$49.49
$89.99
Hygger 500W Titanium Aquarium Heater For Salt Water And Fresh Water, Digital Submersible Heater With External IC Thermostat Controller And Thermometer, For Fish Tank 60-120 Gallon
cauled.com
Free shipping
45% off
$49.49
$89.99
Hygger 500W Titanium Aquarium Heater For Salt Water And Fresh Water, Digital Submersible Heater With External IC Thermostat Controller And Thermometer, For Fish Tank 60-120 Gallon
cauled.com
Free shipping