Heating & Lighting

(495 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4191)
$76.49 - $280.49
Enjoy Free Same-day delivery!
Top Fin® Large Power Filter Cartridges
(274)
$27.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(417)
$50.99
$59.99
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Top Fin® Pre-Conditioned Aquarium Water
2 sizes
(222)
$19.99
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
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+ 1 more
Top Fin® Silenstream™ Small Filter Cartridges
(63)
$19.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Fascinate Column Starter Kit
(302)
$101.99
$119.99
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Top Fin® Aquarium Hinged Glass Lid
7 sizes
(190)
$17.99 - $59.99
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Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(227)
$11.99 - $27.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(367)
$11.99 - $27.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Compact Aquarium Heater
3 sizes
(469)
$27.99 - $42.99
Enjoy Free Same-day delivery!
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Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1485)
$25.99 - $79.99
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Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$8.49
$9.99
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Enjoy Free Shipping On Orders $49+.
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$8.49 - $30.59
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Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$11.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Aquarium Airline Tubing
2 sizes
(96)
$6.99 - $11.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Aquarium Sponge Filter
3 sizes
(202)
$11.99 - $23.99
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Enjoy Free Shipping On Orders $49+.
Top Fin® Floating Glass Aquarium Thermometer
(238)
$4.99
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Enjoy Free Shipping On Orders $49+.
Top Fin® Fine Mesh Fish Net
(108)
$4.99
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Enjoy Free Shipping On Orders $49+.
Top Fin® Aquarium Water Conditioner
3 sizes
(239)
$7.99 - $17.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Captivate Starter Kit
(414)
$140.24
$164.99
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Top Fin® Silenstream™ Large Filter Cartridges
(135)
$19.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Internal Filter Cartridges
(30)
$10.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® 10 Gallon Angled Aquarium
(138)
$93.49
$109.99
Enjoy Free Same-day delivery!
Top Fin® Split Bowfront Aquarium - 5 Gallon
(756)
$63.74
$74.99
Enjoy Free Same-day delivery!
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(48)
$10.99 - $19.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® 5 Gallon Shrimp & Plant Aquarium
(89)
$76.49
$89.99
Enjoy Free Same-day delivery!
Top Fin® Half Moon Aquarium - 3.5 Gallon
(2066)
$50.99
$59.99
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Top Fin® Custom Colorflow™ Aquarium with 7 Color-Changing LEDs
3 sizes
(1373)
$57.79 - $84.99
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Top Fin® Premium Glass Aquarium - 5 Gallon
(1566)
$76.49
$89.99
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Top Fin® Retreat™ RF-L Filter Cartridges
(107)
$19.99
Save 35% On Your First Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Top Fin® Aquarium Gravel - Midnight Black
2 sizes
(2)
$8.49 - $29.74
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Top Fin® Bowfront Betta Duo Aquarium - 2.5 Gallon
(1115)
$38.24
$44.99
Enjoy Free Same-day delivery!
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes
(42)
$59.49 - $144.49
Enjoy Free Same-day delivery!
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Keeping your fish tank in the most suitable condition for your aquatic pals is important for their overall health and wellbeing. Making sure your aquarium has the necessary amount of light and correct water temperature is imperative to helping your fish thrive. At PetSmart, we offer a wide range of climate-control solutions, timers and lighting options designed for aquariums of every size. With submersible heaters and heater holders, reliable and accurate thermometers, LED lights and lamps, plus premium fluorescent hoods, our fish tank heating and lighting collection makes it easy to help your fish and plants live long, healthy lives.
Whether you’re looking for a fish tank heater or fish tank lights, we have it all. PetSmart offers a variety of different aquarium heating and lighting options and accessories, including:
Need something else for your finned friend or aquarium? PetSmart has you covered with a large selection of the best fish supplies, like fish foodtanks and aquariums, and so much more.
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.