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 food, tanks 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.