Deltec GmbH was founded approximately 30 years ago. Since then, products for saltwater aquariums have been developed and sold. All products are subject to very high quality standards. Deltec is a pioneer in saltwater aquariums and has shaped and developed the industry with numerous inventions. "Made in Germany," Delmenhorst's skimmers, reactors, pumps, filters, and other accessories and water treatment agents are shipped worldwide. The ideas and requirements of partners, dealers, and private customers are taken into account and contribute to the development of numerous new products. Meanwhile, customers in Europe, Asia, and the Americas, as well as Australia, rely on the reliable technology of Deltec GmbH. The public and commercial sectors also depend on Deltec products. In 2016, Germany's largest reef aquarium, with a capacity of 240,000 liters, was built in Karlsruhe. Deltec skimmers are used in its construction.