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Amazon Best Sellers
Our most popular products based on sales. Updated hourly.
Best Sellers in
Aquarium Heaters & Chillers
#51
DaToo 10 Watt 20 Watt 30 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater
4.2 out of 5 stars
488
$15.99
#52
Fluval Marina Submersible Heater for Aquarium
4.3 out of 5 stars
707
$18.78
-
$46.72
#53
NICREW Mini Submersible Aquarium Heater, Digital Temperature Display Fish Tank Heater with Adjustable External Controller, Suitable for Freshwater & Saltwater Tank
3.9 out of 5 stars
141
$14.99
-
$16.99
#54
Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable Temperature with Suction Cups
4.1 out of 5 stars
1,392
$13.99
-
$25.99
#55
hygger Mini Betta Fish Heater for Small Fish Bowl 15W 25W 35W 50W Slim Aquarium Heater with LED Digital Display up to 9 Gallon Tank 68°F to 94°F
3.7 out of 5 stars
166
$19.99
-
$21.99
#56
Fluker's 29050 Heat Mat for Reptiles and Small Animals, Mini (4 x 5 Inches, 2 watt)
4.4 out of 5 stars
693
$11.22
-
$63.98
#57
PERSUPER Submersible Aquarium Heater Adjustable LED Digital Temperature Display Fish Tank Heater for Turtle Betta Fish Water Heater with Protective Guard
4.1 out of 5 stars
220
$21.99
-
$25.99
#58
FREESEA Aquarium Fish Tank Heater: 50 | 100 | 300 Watt Adjustable Thermostat with 2 Suction Cups & Thermometer for Betta Tank | Saltwater Tank | Aquarium | Coral Tank
4.5 out of 5 stars
89
$17.99
-
$23.99
#59
Aquarium Heater 50W/100W/200W/300W Fish Tank Water Heater Submersible Adjustable Temperature Thermostat for 15 30 55 75 Gallon Freshwater Saltwater Betta Tanks with 2 Suction Cups
4.3 out of 5 stars
168
$14.99
-
$18.99
#60
Uniclife Aquarium Heater Preset Submersible with Electronic Thermostat for 20 Gallon Fish Tank Heater 100W
4.3 out of 5 stars
281
$15.79
#61
POPETPOP [Upgraded 400W Aquarium Heater - Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display
4.3 out of 5 stars
502
$36.99
#62
MQ Submersible Aquarium Heater Auto Thermostat, 200W/300W/500W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof
3.9 out of 5 stars
579
$19.99
-
$27.99
#63
hygger Fast Heating Titanium Aquarium Heater with LED Digital Temp Controller 500W 800W Submersible Fish Heater for 60-180 Gallon Freshwater Marine Tank
4.4 out of 5 stars
454
$76.99
-
$86.99
#64
hygger Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 5-120 Gal
4.5 out of 5 stars
57
$49.90
-
$92.99
#65
Submersible Aquarium Heater 100/300/500 Watt Fish Tank Heater with Dual Temperature Displays and Temp Controller Adjustable for Turtle Betta Fish Tank 5-130 Gallon
4.4 out of 5 stars
66
$24.99
-
$36.99
#66
ViaAqua 200-Watt Quartz Glass Submersible Heater with Built-In Thermostat
4.5 out of 5 stars
931
$21.36
#67
Zerostart 3400017 Portable Electric Heat Magnet Heater for Transmissions, Oil Pans and Small Engines | CSA Approved | 120 Volts | 200 Watts
4.3 out of 5 stars
265
$60.44
#68
hygger 60-180 Gallon Aquarium Heater with Digital Temp Controller Shatterproof Titanium Tube 500W 800W Submersible Fish Tank Heater for Saltwater Freshwater
4.0 out of 5 stars
96
$79.99
-
$89.99
#69
Hydor Submersible Glass Aquarium Heater - Original Theo
3.9 out of 5 stars
1,843
$24.99
-
$46.07
#70
AQQA Submersible Aquarium Heater, 15W 25W 35W Min Fish Tank Turtle Tank Heater with 79℉(26℃) Intelligent Constant Temperature Controller for Freshwater and Saltwater Small Aquarium Tanks
4.0 out of 5 stars
72
$14.99
-
$18.99
#71
CNZ Aquarium Quartz Glass Submersible Heaters
4.4 out of 5 stars
208
$12.50
-
$23.88
#72
Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 20 Gallon
4.7 out of 5 stars
30
$13.99
#73
NICREW Heating and Cooling Temperature Controller, Digital Reptile Thermostat for Snake, Aquarium, Breeding, Hatching and Heat Mat
4.8 out of 5 stars
30
$19.99
-
$29.99
#74
AQQA Mini Submersible Aquarium Heater,79℉(26℃) Constant Temperature Intelligent Automatic Heating,Small Fish Tank Heater with LED Light,for Freshwater and Saltwater
4.1 out of 5 stars
64
$14.99
-
$18.99
#75
hygger Mini Submersible Aquarium Heater 50W 100W Adjustable LED Digital Temperature Display Small Tank Heater for Turtle Betta Fish Water Heater with Protective Guard
4.2 out of 5 stars
775
$18.99
-
$23.99
#76
Fluval Marina Submersible Heater for Aquarium, Mini
4.2 out of 5 stars
1,021
$18.95
-
$31.08
#77
MQ Titanium Alloy 200/300/500W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller
4.1 out of 5 stars
345
$24.99
-
$34.99
#78
AQQA Aquarium Heater, 100W 200W 300W 500W 800W Quartz Glass Submersible Heater with LED Temperature Display and External Temp Controller for Freshwater and Saltwater
4.6 out of 5 stars
81
$37.99
-
$75.99
#79
Hydor Slim Heater for Bettas, Bowls and Aquariums
3.9 out of 5 stars
1,528
$13.78
-
$21.78
#80
hygger Explosion-Proof Carbon Mini Submersible Aquarium Heater, 50W Small Heater with Over-Temperature Protect,Turtle and Betta Tank Heater with Digital Display External Controller(15W 25W 35W 50W)
3.9 out of 5 stars
87
$17.99
-
$21.99
#81
Aqueon Adjustable PRO Aquarium Heater 100 Watts
4.3 out of 5 stars
138
$25.99
#82
PERSUPER Aquarium Heater, 100W/200W Submersible Heater Fish Tank 10-40 Gallon Heater for Betta Turtle Adjust Thermostat Water Heater 68 to 94°F Fast Heating Temperature Controller with LED Display
4.3 out of 5 stars
14
$24.99
-
$26.99
#83
hygger 300W Aquarium Heater with LED Display Controller Submersible Fish Tank Heater for 30-60 Gallon
4.6 out of 5 stars
110
$59.99
#84
PASTE 300W 500W Aquarium Heater Submersible, 50-90 Gallon Fish Tank Heater with Durable Quartz Glass and Protective Sleeve 3 Suckers Auto Thermostat for Fresh-Water and Salt-Water…
4.2 out of 5 stars
98
$21.99
-
$24.99
#85
iPower Terrarium Reptile Heating Pad Under Tank Warmer Heater Mat with Digital Thermostat
4.4 out of 5 stars
372
$28.99
-
$38.99
#86
LONDAFISH Aquarium Chillers Aquarium Fan Fish Tank Cooling Fan Marine 2 Fan
4.1 out of 5 stars
644
$22.54
#87
Inkbird Heating Thermostat Aquarium Reptile Submersible Probe Sensor ITC306T Relay Digital Greenhouse Temperature Controller Dual Stage Timer Switch Only Heat Plug Outlet No Cooling
4.7 out of 5 stars
207
$29.99
#88
PGFUNNY Aquarium Heater, Adjustable LED Digital Temperature Display Smart Thermostat Betta Fish Heater, for Betta Tank Heater with Protective Guard
4.1 out of 5 stars
214
$16.99
-
$18.99
#89
LUYS PTC Aquarium Heater (50W / 100W / 200W / 300W / 500W), with External Temperature Controller and LED Temperature Display for Fish Tank
4.4 out of 5 stars
111
$20.99
-
$36.99
#90
hygger 500W 800W Titanium Steel Aquarium Heater for Marine and Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller
4.1 out of 5 stars
105
$79.99
#91
Soyon Aquarium Heater 500W, Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon Submersible Water Heater
3.8 out of 5 stars
133
$21.99
-
$23.99
#92
FermWrap FE650-40 Watt Fermentation Heater
4.5 out of 5 stars
171
$35.18
#93
IOAOI Aquarium Heater for Fish Tank 50W for up to 20 Gallons Tanks Shatterproof for Both Marine and Fresh Water Engineering Plastic Tube Outside and Stainless Steel Tube Inside Temperature Adjustable
4.3 out of 5 stars
147
$19.99
#94
UPMCT Aquarium Heater, 50W 100W 300W Submersible Fish Tank Heater with Thermometer Strip Adjust Knob Thermostat, Suitable for 5 to 85 Gallons
4.1 out of 5 stars
396
$14.99
-
$17.99
#95
MUCH 500W Aquarium Heater Auto Thermostat Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller for Saltwater or Freshwater 70-80 Gallon
4.5 out of 5 stars
111
$26.99
-
$35.99
#96
Aquarium Heater 100w Fish Tank Submersible Heater Turtle Heat Rod with Temperature Display External Temperature Controller for Betta Frogs Newts Turtles (100W with LED Display)
5.0 out of 5 stars
7
$19.99
#97
hygger Submersible Aquarium Heater, Adjustable Fish Tank Heater Compact Reliable Betta Heater, Heat-Resistant Milky Quartz Made, with External Temp Controller, 100W/300W, 10-60 Gallon
4.2 out of 5 stars
607
$29.99
-
$34.99
#98
EHEIM Jager Aquarium Thermostat Heater 100W
4.6 out of 5 stars
331
$26.99
#99
AQQA 50W 100W Aquarium Heater, Fish Tank Heater with Intelligent External LED Digital Display Temperature Controller, Fast Heating Submersible Thermostat for 1-13 Gallon Small Aquarium Tanks
3.5 out of 5 stars
152
$16.99
-
$19.99
#100
Penn-Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 75 Watt Heats Up to 15 Gallon Tank
4.2 out of 5 stars
870
$12.99
-
$48.35
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