Aquarium Lighting & Heating

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Eheim Jager Thermostat Aquarium Heater, 300-watt

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Rated 4.0727 out of 5 stars
55Reviews
$24.99Chewy Price

FREE 1-3 day shipping over $49

Aqueon Preset Aquarium Heater, 100-watt

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Rated 3.4039 out of 5 stars
203Reviews
$14.99Chewy Price
$24.99List Price

FREE 1-3 day shipping over $49

Tetra HT10 Submersible Aquarium Heater & Electronic Thermostat, 50-watt
Rated 3.413 out of 5 stars
46Reviews
$11.99Chewy Price
$19.99List Price

FREE 1-3 day shipping over $49

HDE LCD Digital Aquarium Thermometer
Rated 3.7423 out of 5 stars
97Reviews
$6.99Chewy Price
$9.99List Price

FREE 1-3 day shipping over $49

SunGrow Halfmoon Betta Aquarium Heater, 10-watt
Rated 4.4286 out of 5 stars
7Reviews
$11.40Chewy Price
$25.99List Price

FREE 1-3 day shipping over $49

Marina Floating Thermometer with Suction Cup for Aquariums
Rated 3.806 out of 5 stars
134Reviews
$2.99Chewy Price

FREE 1-3 day shipping over $49

Aqueon Freshwater Aquarium Clip-On LED Light
Rated 4.4583 out of 5 stars
24Reviews
$25.99Chewy Price

FREE 1-3 day shipping over $49

Aquatop Submersible Glass Aquarium Heater, 250-watt

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Rated 3.6829 out of 5 stars
82Reviews
$17.37Chewy Price
$27.99List Price

FREE 1-3 day shipping over $49

Koval LED Aquarium Light, 45 - 50 in, 156 LED

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Rated 4.3473 out of 5 stars
167Reviews
$74.95Chewy Price
$139.99List Price

FREE 1-3 day shipping on this item

Fluval Submersible Glass Aquarium Heater, 50-watt
Rated 3.8 out of 5 stars
25Reviews
$18.43Chewy Price
$33.99List Price

FREE 1-3 day shipping over $49

SunGrow Betta White & Blue LED for Nano Plant Fish Tank Aquarium Light, Up to 10-gal
Rated 3.5 out of 5 stars
2Reviews
$13.99Chewy Price
$16.99List Price
$13.29Autoship Price

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Aqueon Mini Aquarium Heater, 2-gal, 5 watt
Rated 3.5306 out of 5 stars
49Reviews
$8.50Chewy Price
$15.99List Price

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Penn-Plax AquaLIFE Therma-Temp Digital Aquarium Thermometer, 2-in
Rated 2.9091 out of 5 stars
22Reviews
$1.50Chewy Price

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Current USA Satellite Freshwater Aquarium LED Light, 24 - 36 in

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Rated 4.5636 out of 5 stars
110Reviews
$46.57Chewy Price
$59.95List Price

FREE 1-3 day shipping over $49

Aqueon Aquatic Flat Heater, 15-watt

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Rated 3.4286 out of 5 stars
14Reviews
$9.69Chewy Price
$18.99List Price

FREE 1-3 day shipping over $49

Aqueon Pro Aquarium Heater, 300 watt

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Rated 3.7397 out of 5 stars
73Reviews
$48.99Chewy Price
$64.99List Price

FREE 1-3 day shipping over $49

SunGrow Digital Betta Fish Aquarium Thermometer
$5.70Chewy Price
$11.99List Price
$5.42Autoship Price

FREE 1-3 day shipping over $49

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

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Rated 5 out of 5 stars
1Review
$23.66Chewy Price
$33.99List Price

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Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat, 150-watt
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Rated 2.5 out of 5 stars
8Reviews
$18.74Chewy Price
$27.99List Price

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FREE 1-3 day shipping over $49

Marineland LED Fish Aquarium Light Hood, 24-in

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Rated 4.1765 out of 5 stars
17Reviews
$72.99Chewy Price
$76.59List Price

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Zoo Med AquaSun Aquarium Controller Timer & Power Strip
Rated 3.3571 out of 5 stars
28Reviews
$21.51Chewy Price

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Penn-Plax Cascade Heat 300W Preset Submersible Aquarium Heater, 12-in
$20.30Chewy Price
$35.99List Price

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Lifegard Pre-Set Quartz Glass Heater Electronic Control, 200 watt

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Rated 5 out of 5 stars
2Reviews
$17.69Chewy Price
$24.00List Price

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Current USA Satellite Freshwater Plus Aquarium LED Light, 24 - 36 in

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Rated 4.623 out of 5 stars
61Reviews
$88.22Chewy Price
$119.00List Price

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Eheim Jager Aquarium Thermostat Heater, 150- watt
Rated 3.8889 out of 5 stars
27Reviews
$28.40Chewy Price

FREE 1-3 day shipping over $49

Marineland Precision Heater, 400 Watt

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Rated 2.0488 out of 5 stars
41Reviews
$42.93Chewy Price
$73.89List Price

FREE 1-3 day shipping over $49

Aqueon Optibright LED Aquarium Light Fixture, 30-36-in

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Rated 4.55 out of 5 stars
20Reviews
$69.95Chewy Price
$81.99List Price

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Tetra ColorFusion Universal Color-Changing LED Aquarium Light, 6-in
Rated 4.6667 out of 5 stars
9Reviews
$18.21Chewy Price
$31.59List Price

FREE 1-3 day shipping over $49

AquaSprouts Submersible Universal Color-Changing RGB LED Light, 11-in
$23.51Chewy Price
$24.95List Price

FREE 1-3 day shipping over $49

SunGrow Sticker Betta Fish Aquarium Thermometer
Rated 4.5 out of 5 stars
2Reviews
$5.97Chewy Price
$12.99List Price
$5.67Autoship Price

FREE 1-3 day shipping over $49

Marina Betta Submersible Aquarium Heater
Rated 4.0893 out of 5 stars
56Reviews
$11.25Chewy Price
$17.99List Price

FREE 1-3 day shipping over $49

Eheim Thermocontrol Aquarium Water Temperature Controller, 50-watt

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Rated 5 out of 5 stars
1Review
$34.12Chewy Price
$38.99List Price

FREE 1-3 day shipping over $49

Aqueon Led 15 Column Replacement Hood
Rated 3.8 out of 5 stars
10Reviews
$32.56Chewy Price
$59.99List Price

FREE 1-3 day shipping over $49

Aquaillumination Hydra 32 HD LED Aquarium Light, Black

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$394.99Chewy Price
$399.99List Price

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Current USA LightSerene Background LED Aquarium Light Kit, 72-in

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$56.95Chewy Price
$87.95List Price

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Tetra HT55 Submersible Aquarium Heater & Electronic Thermostat, 200-watt
Rated 2.5 out of 5 stars
12Reviews
$25.99Chewy Price
$28.99List Price

FREE 1-3 day shipping over $49

Aquarium Lighting & Heating

Supplying your aquarium with sufficient lighting and heat will help maintain the quality of life of the plants, corals and invertebrates in your aquarium. Providing proper aquarium lighting and aquarium heating is very important in maintaining the integrity of your tank. You’ll create the perfect fish environment in your aquarium with the right aquarium heating and lighting accessories.

A fish heater like the Hydor Theo Aquarium Heater is fully submersible, compact and can be installed vertically or horizontally according to your desired setup. It features a graduated scale that will give you precise temperature control to help maintain the optimal conditions for the health of your fish. It’s a universal heater that can be used for marine, freshwater or tropical aquariums. Current USA Orbit Marine Aquarium LED Light is an aquarium lighting accessory for saltwater reefs. It’s an around-the-clock lighting solution that you can program from your couch. There’s also the Hydor Betta & Betta Bowl which provides the natural warmth needed to heat a two- to five-gallon tank or bowl to an ideal temperature, simply plug it in and you’re ready to go.

Shop the best aquarium lighting and aquarium heaters here on Chewy today.

Related Categories: Fish Food and Treats, Fish Aquariums and Starter Kits, Fish Water Care, Fish Tank Décor and Accessories, Fish Tank Filters and Media, Fish Tank Cleaning and Maintenance, Fish Health and Wellness, Fish Books and Gifts, Fish Supplies, Aquarium Heaters and Thermometers, Aquarium Light Fixtures, Aquarium Replacement Bulbs, Aquarium Accessories