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Aquarium and Fish Tank Heaters

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Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
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Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 2 of 9
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Fluval P10 Pre-Set Aquarium Fish Heater slide 5 of 9
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Fluval P10 Pre-Set Aquarium Fish Heater slide 7 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 8 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 2 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 3 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 4 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 5 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 6 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 7 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 8 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9
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Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 2 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 3 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 4 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 5 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 6 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 7 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 8 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 2 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 3 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 4 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 5 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 6 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 7 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 8 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 1 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 2 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 3 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 4 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 5 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 6 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 7 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 8 of 9
Fluval P10 Pre-Set Aquarium Fish Heater slide 9 of 9

Fluval P10 Pre-Set Aquarium Fish Heater

Rated 4.2 out of 5 stars
22
$22.80 Chewy Price
$33.72 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5
Slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 1 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 2 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 3 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 4 of 5
Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt slide 5 of 5

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

Rated 4 out of 5 stars
42
$27.97 Chewy Price
$34.99 List Price
Autoship Price

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

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Aqueon Fish Tank Mini Heater, 10-watt slide 1 of 2
Aqueon Fish Tank Mini Heater, 10-watt slide 2 of 2
Aqueon Fish Tank Mini Heater, 10-watt slide 1 of 2
Aqueon Fish Tank Mini Heater, 10-watt slide 2 of 2
Aqueon Fish Tank Mini Heater, 10-watt slide 1 of 2
Aqueon Fish Tank Mini Heater, 10-watt slide 2 of 2

Aqueon Fish Tank Mini Heater, 10-watt

Rated 5 out of 5 stars
1
$17.95 Chewy Price
$20.99 List Price
Autoship Price

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

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Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 1 of 2
Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 2 of 2
Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 1 of 2
Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 2 of 2
Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 1 of 2
Fluval E200 Electronic Fish Aquarium Heater, 200-watt slide 2 of 2

Fluval E200 Electronic Fish Aquarium Heater, 200-watt

Rated 4 out of 5 stars
4
$69.99 Chewy Price
$71.07 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 25 Adjustable Fish Heater

Rated 3.9 out of 5 stars
13
$19.95 Chewy Price
$35.99 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 Jul 20 and Jul 24

Aquael Platinium Temperature Control Aquarium Heater with Electronic Thermostat, 300W

Rated 4.6 out of 5 stars
23
$37.05 Chewy Price
Autoship Price

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

Aquatop Submersible Glass Aquarium Heater, 300-watt

Rated 3.7 out of 5 stars
94
$32.99 Chewy Price
Autoship Price

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

Hydor Theo Shatterproof Aquarium Heater, 25-watt

Rated 3.5 out of 5 stars
45
$26.88 Chewy Price
$35.95 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 23 and Jul 27

Aqueon Mini Aquarium Heater, 2-gal, 5 watt

Rated 3.7 out of 5 stars
92
$14.45 Chewy Price
$16.99 List 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 4.7 out of 5 stars
3
$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 Filtosmart Thermo 200 External Fish Heater

Rated 4 out of 5 stars
4
$163.89 Chewy Price
$219.99 List Price
Autoship Price

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

Zoo Med BettaTherm Mini Size Betta Bowl Heater

Rated 2.3 out of 5 stars
11
$15.70 Chewy 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

Laguna Power Heat Heated De-Icer, 315W

Rated 4.3 out of 5 stars
23
$60.12 Chewy Price
$112.59 List Price
Autoship Price

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

Aquael Ultra 100W Aquarium Heater

Rated 4 out of 5 stars
19
$57.99 Chewy Price
$74.51 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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 delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 20 and Jul 24

OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, White

$31.24 Chewy Price
$98.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 100 Adjustable Fish Heater

Rated 4 out of 5 stars
4
$41.12 Chewy Price
$42.99 List Price
Autoship Price

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

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 Jul 22 and Jul 26

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

OASE Indoor Aquatics Bioplus Thermo 200 Internal Fish Heater

Rated 5 out of 5 stars
2
$84.99 Chewy Price
$109.99 List Price
Autoship Price

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

Seapora Quartz Aquarium Heater, 100-watt

Rated 4 out of 5 stars
7
$21.99 Chewy Price
Autoship Price

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

Laguna Pond Heater, 500W

Rated 3.7 out of 5 stars
7
$84.88 Chewy Price
$196.56 List Price
Autoship Price

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

OASE Indoor Aquatics Biostyle Thermo 30 Fish Heater, White

Rated 1 out of 5 stars
1
$70.99 Chewy 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

OASE Indoor Aquatics Biomaster Thermo 350 External Fish Heater

Rated 4.7 out of 5 stars
21
$319.99 Chewy 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
$52.99 Chewy 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

$84.00 Chewy Price
$99.99 List Price
Autoship Price

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

OASE Indoor Aquatics HeatUp 50 Adjustable Fish Heater

Rated 4.2 out of 5 stars
5
$29.99 Chewy Price
$37.99 List Price
Autoship Price

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

OASE Indoor Aquatics Filtosmart Thermo 100 External Fish Heater

Rated 3 out of 5 stars
4
$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 Filtosmart Thermo 300 External Fish Heater

Rated 3 out of 5 stars
2
$226.99 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
176

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

Out of Stock

Hydor Betta Bowl Slim Fish Tank Heater

Rated 3.3 out of 5 stars
12

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

Out of Stock

OASE Indoor Aquatics Biostyle Thermo 50 Fish Heater, Dark Blue

Rated 5 out of 5 stars
1

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

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