Petsmart Aquarium Heater
Aquarium Heaters: Fish Tank Water Heaters | … Submersible aquarium heaters are submerged entirely in the water, efficiently heating both large tanks and mini-aquariums, such as Betta tanks. Some small (under 5 gallon) tanks can be heated with an external heater underneath the aquarium. With heaters from top brands, … Offer valid on PetSmart.com through…