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Aquarium Heaters & Thermometers For New Fish

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HelloReef Stick on Aquarium Thermometer slide 1 of 4
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HelloReef Stick on Aquarium Thermometer slide 3 of 4
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HelloReef Stick on Aquarium Thermometer slide 1 of 4
HelloReef Stick on Aquarium Thermometer slide 2 of 4
HelloReef Stick on Aquarium Thermometer slide 3 of 4
HelloReef Stick on Aquarium Thermometer slide 4 of 4
HelloReef Stick on Aquarium Thermometer slide 1 of 4
HelloReef Stick on Aquarium Thermometer slide 2 of 4
HelloReef Stick on Aquarium Thermometer slide 3 of 4
HelloReef Stick on Aquarium Thermometer slide 4 of 4

HelloReef Stick on Aquarium Thermometer

Rated 4.5 out of 5 stars
8
$4.99 Chewy Price
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Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 1 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 2 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 3 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 4 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 5 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 6 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 7 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 8 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 9 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 1 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 2 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 3 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 4 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 5 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 6 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 7 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 8 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 9 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 1 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 2 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 3 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 4 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 5 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 6 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 7 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 8 of 9
Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt slide 9 of 9

Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 150-watt

Rated 4.3 out of 5 stars
110
$13.90 Chewy Price
$45.99 List Price
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Fluval Wireless 2-in-1 Digital Fish Thermometer slide 1 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 2 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 3 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 4 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 5 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 6 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 1 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 2 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 3 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 4 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 5 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 6 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 1 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 2 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 3 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 4 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 5 of 6
Fluval Wireless 2-in-1 Digital Fish Thermometer slide 6 of 6

Fluval Wireless 2-in-1 Digital Fish Thermometer

Rated 4.2 out of 5 stars
29
$17.99 Chewy Price
$30.08 List Price
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Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 1 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 2 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 3 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 4 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 5 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 6 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 7 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 8 of 9
Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt slide 9 of 9

Pawshelf Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in,...

Rated 4.4 out of 5 stars
142
$23.99 Chewy Price
$35.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Marina Floating Thermometer with Suction Cup for Aquariums

Rated 4.1 out of 5 stars
271
$2.98 Chewy Price
$5.30 List Price
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Free 1-3 day delivery on first-time orders over $35
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SunGrow Submersible Aquarium Heater with Thermostat for Betta & Turtle Tanks, 10-watt, up to 2-...

Rated 4.2 out of 5 stars
199
$6.91 Chewy Price
$13.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Digital Fish Thermometer

Rated 4 out of 5 stars
41
$2.14 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Lifegard Adjustable Quartz Glass Heater Electronic Control, 25 watt

Rated 4.8 out of 5 stars
6
$32.27 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
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Arrives between Sep 5 and Sep 9

Aquatop Smart-Temp Thermometer with Magnet Mount

Rated 4.3 out of 5 stars
4
$7.99 Chewy Price
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Zoo Med Paludarium Heater, 100W

Rated 4.3 out of 5 stars
32
$25.89 Chewy Price
$43.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Fluval Submersible Glass Aquarium Heater, 50-watt

Rated 4 out of 5 stars
63
$32.99 Chewy Price
$37.22 List Price
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Free 1-3 day delivery on first-time orders over $35
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Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat, 50-watt

Rated 4.1 out of 5 stars
142
$15.27 Chewy Price
$18.89 List Price
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Free 1-3 day delivery on first-time orders over $35
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Aqueon Fish Tank Mini Heater, 10-watt

Rated 5 out of 5 stars
2
$17.95 Chewy Price
$20.99 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval P25 Pre-Set Aquarium Fish Heater

Rated 4.3 out of 5 stars
12
$25.99 Chewy Price
$32.47 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Aquael Platinium Temperature Control Aquarium Heater with Electronic Thermostat, 50W

Rated 4.5 out of 5 stars
25
$30.57 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Lifegard Pre-Set Quartz Glass Heater Electronic Control, 25 watt

Rated 4.3 out of 5 stars
12
$13.59 Chewy Price
$20.51 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 5 and Sep 9

Hydor Micro & Mini Aquarium Slim Fish Heater, Black, 15-watt

Rated 4.2 out of 5 stars
13
$12.99 Chewy Price
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Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 3 and Sep 7

Eheim Thermocontrol E Fish Aquarium Heater, 300 W

Rated 4.4 out of 5 stars
48
$59.99 Chewy Price
$82.28 List Price
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Free 1-3 day delivery on first-time orders
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Underwater Treasures Seapora Volt-Control Titanium Grounding Probe

Rated 5 out of 5 stars
2
$12.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Aquatop Weighted Glass Thermometer with Claw

Rated 4 out of 5 stars
2
$3.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Fluval M 100Watt Submersible Fish Heater

Rated 4.5 out of 5 stars
36
$35.99 Chewy Price
$39.24 List Price
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Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval Electronic Aquarium Heater, 300-watt

Rated 4.1 out of 5 stars
109
$75.41 Chewy Price
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Free 1-3 day delivery on first-time orders
Free 365-day returns

Tetra HT30 Submersible Aquarium Heater & Electronic Thermosat, 100-watt

Rated 4 out of 5 stars
119
$17.99 Chewy Price
$22.59 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Aqueon Glass Adjustable Aquarium Heater, 50-watt

Rated 3.9 out of 5 stars
95
$37.95 Chewy Price
$46.99 List Price
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Farm Innovators Convertable Stock Tank De-Icer

Rated 4.6 out of 5 stars
27
$38.49 Chewy Price
$52.99 List Price
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Free 1-3 day delivery on first-time orders
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Aquael Ultra 100W Aquarium Heater

Rated 4 out of 5 stars
19
$57.99 Chewy Price
$74.51 List Price
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Free 1-3 day delivery on first-time orders
Free 365-day returns

Lifegard Led Digital Thermometer, Blue

Rated 4.4 out of 5 stars
5
$34.49 Chewy Price
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Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 5 and Sep 9

Fluval P10 Pre-Set Aquarium Fish Heater

Rated 4.1 out of 5 stars
23
$19.00 Chewy Price
$33.72 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

H2Pro Titanium Aquarium Heater, 800-watt

Rated 4.3 out of 5 stars
12
$113.21 Chewy Price
$119.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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OASE Indoor Aquatics HeatUp 150 Adjustable Fish Heater

Rated 5 out of 5 stars
1
$44.99 Chewy Price
$49.41 List Price
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Free 1-3 day delivery on first-time orders
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Fluval M 150Watt Submersible Fish Heater

Rated 4.3 out of 5 stars
10
$36.99 Chewy Price
$38.03 List Price
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Free 1-3 day delivery on first-time orders
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GloFish Submersible Fish Heater, 50-watts

Rated 4.1 out of 5 stars
23
$17.47 Chewy Price
$22.49 List Price
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New

Aquatop Pisces Fully Submersible Nano Heater, Black, 10-watt

$17.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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JBJ Aquarium Nano Arctica E-Chiller, White/Black, 10-gal

Rated 4 out of 5 stars
1
$399.99 Chewy Price
($40.00/gl) Price per Unit
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 5 and Sep 9

Seapora SmartTemp Dual Digital Aquarium Heater, 100-watt

Rated 5 out of 5 stars
3
$54.58 Chewy Price
$71.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Laguna Power Heat Heated De-Icer, 315W

Rated 4.4 out of 5 stars
25
$84.99 Chewy Price
$112.59 List Price
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Free 1-3 day delivery on first-time orders
Free 365-day returns

Save 5% on repeat deliveries

Fish Type

Aquarium Type

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