Tropical Freshwater Aquarium Heaters & Thermometers

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1 - 36 of 84 Results

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Aqueon Preset Aquarium Heater, 100-watt

Rated 3.3364 out of 5 stars
217
$8.78Chewy Price
$25.99List Price

FREE 1-3 day delivery over $35

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Cobalt Aquatics Electronic Neo-Therm Pro Submersible Aquarium Heater, 50-Watt

Rated 3.6818 out of 5 stars
22
$46.70Chewy Price
$90.43List Price

FREE 1-3 day delivery on this item

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Eheim Jager Thermostat Aquarium Heater, 100-watt

Rated 4.0286 out of 5 stars
70
$19.96Chewy Price

FREE 1-3 day delivery over $35

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Marineland Precision Heater, 300 Watt

Rated 2 out of 5 stars
50
$23.00Chewy Price
$45.69List Price

FREE 1-3 day delivery over $35

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Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 7-in, 25-watt

Rated 4 out of 5 stars
6
$16.62Chewy Price
$26.99List Price

FREE 1-3 day delivery over $35

Underwater Treasures Floating Glass Fish Thermometer

Rated 4 out of 5 stars
2
$1.75Chewy Price

FREE 1-3 day delivery over $35

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Aquatop Submersible Glass Aquarium Heater, 50-watt

Rated 3.5795 out of 5 stars
88
$22.99Chewy Price

FREE 1-3 day delivery over $35

Marina Floating Thermometer with Suction Cup for Aquariums

Rated 3.74 out of 5 stars
150
$2.95Chewy Price
$4.48List Price

FREE 1-3 day delivery over $35

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Hydor In-Line External Hose Aquarium Heater, Black, 300-watt, 5/8-in

$68.04Chewy Price
$92.99List Price

FREE 1-3 day delivery on this item

OASE Indoor Aquatics HeatUp 300 Adjustable Fish Heater

Rated 5 out of 5 stars
1
$31.80Chewy Price
$53.99List Price

FREE 1-3 day delivery over $35

SunGrow Betta Fish Thermometer Sticker, Temperature Strip for Small Aquarium & Reptiles Tank

Rated 3.3 out of 5 stars
10
$3.99Chewy Price
$4.99List Price

FREE 1-3 day delivery over $35

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Aqueon Pro Aquarium Heater, 200 watt

Rated 3.5625 out of 5 stars
80
$48.95Chewy Price
$64.99List Price

FREE 1-3 day delivery on this item

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Lifegard Aquatics Pre-Set Quartz Glass Heater Electronic Control, 25 watt

Rated 3.6667 out of 5 stars
3
$18.41Chewy Price

FREE delivery over $35

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Eheim Thermocontrol E Fish Aquarium Heater, 300 W

Rated 3.875 out of 5 stars
8
$50.49Chewy Price
$69.99List Price

FREE 1-3 day delivery on this item

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H2Pro Titanium Aquarium Heater, 300-watt

Rated 2.3333 out of 5 stars
3
$67.34Chewy Price
$74.99List Price

FREE 1-3 day delivery on this item

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Cobalt Aquatics Neo-Glass Submersible Aquarium Heater, 100-watt

Rated 2.7143 out of 5 stars
7
$28.00Chewy Price
$44.73List Price

FREE 1-3 day delivery over $35

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Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 10-in, 200-watt

Rated 4.0833 out of 5 stars
12
$14.78Chewy Price
$33.99List Price

FREE 1-3 day delivery over $35

GloFish Submersible Fish Heater, 50-watts

Rated 1.5 out of 5 stars
2
$10.49Chewy Price
$20.59List Price

FREE 1-3 day delivery over $35

Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt

Rated 2.3846 out of 5 stars
13
$8.58Chewy Price
$28.99List Price

FREE 1-3 day delivery over $35

Fluval P25 Pre-Set Aquarium Fish Heater

$13.47Chewy Price
$29.99List Price

FREE 1-3 day delivery over $35

OASE Indoor Aquatics Biomaster Thermo 850 External Fish Heater

$350.63Chewy Price
$465.99List Price

FREE 1-3 day delivery on this item

SunGrow Fully Submersible Aquarium Small Pet Heater, Black

Rated 4.3333 out of 5 stars
3
$13.99Chewy Price

FREE 1-3 day delivery over $35

JBJ Aquarium C-Breeze Aquarium Cooling Fan

Rated 1 out of 5 stars
1
$40.00Chewy Price

FREE delivery on this item

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Aqueon Aquatic Flat Heater, 7.5-watt

Rated 3.1304 out of 5 stars
23
$5.00Chewy Price
$17.99List Price

FREE 1-3 day delivery over $35

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Marina 10.5-in Submersible Fish Heater, 200-Watts

$20.47Chewy Price
$39.99List Price

FREE 1-3 day delivery over $35

HDE LCD Digital Aquarium Thermometer

Rated 3.6306 out of 5 stars
111
$9.99Chewy Price

FREE 1-3 day delivery over $35

Hydor Betta Bowl Slim Fish Tank Heater

$13.99Chewy Price

FREE 1-3 day delivery over $35

Aquatop Nano Aquarium Thermostat Heater, 15-watt

Rated 2.8667 out of 5 stars
15
$25.99Chewy Price

FREE 1-3 day delivery over $35

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Penn-Plax Cascade Heat Preset Submersible Aquarium Heater, 8-in, 75-watt

$20.26Chewy Price
$28.99List Price

FREE 1-3 day delivery over $35

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Lifegard Aquatics Adjustable Quartz Glass Heater Electronic Control, 250 watt

$26.93Chewy Price
$33.03List Price

FREE delivery over $35

Fluval Submersible Glass Aquarium Heater, 50-watt

Rated 3.7222 out of 5 stars
36
$34.99Chewy Price

FREE 1-3 day delivery over $35

OASE Indoor Aquatics HeatUp 50 Adjustable Fish Heater

$19.95Chewy Price
$35.99List Price

FREE 1-3 day delivery over $35

SunGrow Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5...

Rated 3.7419 out of 5 stars
31
$10.40Chewy Price
$13.99List Price

FREE 1-3 day delivery over $35

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Aquael Platinium 50W Glass Heater

$26.90Chewy Price
$30.57List Price

FREE 1-3 day delivery over $35

Aqueon Mini Aquarium Heater, 2-gal, 5 watt

Rated 3.3818 out of 5 stars
55
$12.45Chewy Price
$16.99List Price

FREE 1-3 day delivery over $35

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Marina 8.5-in Submersible Fish Heater, 50-Watts

$17.66Chewy Price
$36.99List Price

FREE 1-3 day delivery over $35

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