Hydor A leader in aquatic products, Hydor combines innovation and quality to provide you with high- performance tools for maintaining your aquarium. Whether you're replacing an old part or installing a new feature, Hydor is sure to have what you're looking for. Its extensive line of aquatic products includes numerous heaters, aerators, circulation pumps, controllers, and more. Equip your tank with Hydor heaters and pumps to create a comfortable environment for your aquatic life. Some products feature a unique design that allows for function and style, so your aquatic tank will look as good as it runs. Designed with the aquarium owner in mind, Hydor products make taking care of your aquarium as easy and efficient as possible.