Aquarium and Fish Tank Heaters

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Fluval M 200Watt Submersible Fish Heater slide 1 of 8
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Fluval M 200Watt Submersible Fish Heater slide 1 of 8
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Fluval M 200Watt Submersible Fish Heater

Rated 4.3 out of 5 stars
24
$36.99 Chewy Price
Autoship Price

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

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biOrb Aquarium Heater Pack slide 1 of 4
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biOrb Aquarium Heater Pack slide 1 of 4
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biOrb Aquarium Heater Pack

Rated 5 out of 5 stars
1
$47.99 Chewy Price
$52.99 List Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 11 and Apr 16

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Laguna Power Heat Heated De-Icer, 315W slide 1 of 5
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Laguna Power Heat Heated De-Icer, 315W

Rated 4.3 out of 5 stars
23
$54.77 Chewy Price
$90.99 List Price
Autoship Price

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

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Fluval M 150Watt Submersible Fish Heater slide 1 of 2
Fluval M 150Watt Submersible Fish Heater slide 2 of 2
Fluval M 150Watt Submersible Fish Heater slide 1 of 2
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Fluval M 150Watt Submersible Fish Heater slide 1 of 2
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Fluval M 150Watt Submersible Fish Heater

Rated 4.3 out of 5 stars
8
$34.99 Chewy Price
$35.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 200 Adjustable Fish Heater

Rated 4.7 out of 5 stars
3
$48.82 Chewy Price
$48.99 List Price
Autoship Price

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

Marina Betta Submersible Aquarium Heater

Rated 3.9 out of 5 stars
70
$12.98 Chewy Price
$17.99 List Price
Autoship Price

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

Fluval P10 Pre-Set Aquarium Fish Heater

Rated 4.2 out of 5 stars
21
$22.79 Chewy Price
$26.99 List Price
Autoship Price

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

Hydor Theo Shatterproof Aquarium Heater, 150-watt

Rated 3.4 out of 5 stars
43
$31.64 Chewy Price
$41.95 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 15

Aqueon Aquatic Flat Heater, 15-watt

Rated 3.6 out of 5 stars
54
$17.45 Chewy Price
$20.99 List Price
Autoship Price

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

Zoo Med BettaTherm Mini Size Betta Bowl Heater

Rated 2.3 out of 5 stars
11
$15.70 Chewy Price
$21.43 List Price
Autoship Price

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

Penn-Plax Aquarium LED Display Heater, 300W

Rated 2.4 out of 5 stars
5
$32.99 Chewy Price
$64.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 14

Laguna Pond Heater, 500W

Rated 3.7 out of 5 stars
6
$84.95 Chewy Price
$153.99 List Price
Autoship Price

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

OASE Indoor Aquatics Biomaster Thermo 350 External Fish Heater

Rated 4.7 out of 5 stars
20
$319.99 Chewy Price
Autoship Price

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

Marina 10.5-in Submersible Fish Heater, 150-Watts

Rated 4.2 out of 5 stars
6
$27.99 Chewy Price
$39.99 List Price
Autoship Price

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

Penn-Plax 10W Plastic Safe Aqiuarium Heater, 4-in

Rated 3.2 out of 5 stars
6
$25.99 Chewy Price
$27.99 List Price
Autoship Price

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

Seapora Mini Desktop Aquarium Heater, 30-watt

Rated 2 out of 5 stars
1
$13.99 Chewy Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 400 Adjustable Fish Heater

Rated 4.5 out of 5 stars
2
$57.99 Chewy Price
$62.99 List Price
Autoship Price

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

OASE Indoor Aquatics Biomaster Thermo 600 External Fish Heater

Rated 5 out of 5 stars
3
$400.99 Chewy Price
Autoship Price

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

Hydor Betta Bowl Slim Fish Tank Heater

Rated 3.3 out of 5 stars
12
$13.99 Chewy Price
Autoship Price

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

OASE Indoor Aquatics Biostyle Thermo 30 Fish Heater, White

Rated 1 out of 5 stars
1
$39.99 Chewy Price
$70.99 List Price
Autoship Price

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

OASE Indoor Aquatics Filtosmart Thermo 200 External Fish Heater

Rated 5 out of 5 stars
1
$193.99 Chewy Price
$219.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 100 Adjustable Fish Heater

Rated 4 out of 5 stars
4
$37.51 Chewy Price
$42.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 150 Adjustable Fish Heater

Rated 5 out of 5 stars
1
$40.87 Chewy Price
$44.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 300 Adjustable Fish Heater

Rated 5 out of 5 stars
2
$41.59 Chewy Price
$56.99 List Price
Autoship Price

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

OASE Indoor Aquatics Bioplus Thermo 50 Internal Fish Heater

Rated 3 out of 5 stars
2
$65.59 Chewy Price
$94.99 List Price
Autoship Price

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

Hydor Theo Aquarium Fish Heater, Black, 400-watt

Rated 4.5 out of 5 stars
11
$34.99 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 15

OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue

Rated 5 out of 5 stars
1
$79.52 Chewy Price
$80.99 List Price
Autoship Price

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

OASE Indoor Aquatics Bioplus Thermo 100 Internal Fish Heater

$84.99 Chewy Price
$99.99 List Price
Autoship Price

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

OASE Indoor Aquatics Filtosmart Thermo 100 External Fish Heater

Rated 3 out of 5 stars
3
$134.99 Chewy Price
$169.99 List Price
Autoship Price

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

OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, White

$98.99 Chewy Price
Autoship Price

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

Hydor Betta & Betta Bowl Slim Heater, 7.5-watt

Rated 3.8 out of 5 stars
41
$15.12 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 15

OASE Indoor Aquatics Biostyle Thermo 30 Fish Heater, Dark Blue

Rated 1 out of 5 stars
1
$88.99 Chewy Price
Autoship Price

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

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

Rated 4.4 out of 5 stars
10
$15.29 Chewy Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 15

OASE Indoor Aquatics Filtosmart Thermo 300 External Fish Heater

Rated 1 out of 5 stars
1
$199.32 Chewy Price
$249.99 List Price
Autoship Price

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

Out of Stock

Eheim Jager Thermostat Aquarium Heater, 250-watt

Rated 4.3 out of 5 stars
175

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

Out of Stock

OASE Indoor Aquatics Bioplus Thermo 200 Internal Fish Heater

Rated 5 out of 5 stars
2

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

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