HYDRO-BIOS has its seeds in the small enterprise, “Walter Schweder Precision Engineering”, founded in 1927. As one of the world s leading manufacturers of smart sampling equipment Hydro-Bios offers solutions for all oceanographic and limnic environments. Whether the task is to sample water, plankton or sediments you can get a large variety of instruments. One of our specialties are plankton nets, from small and simple to the well- established, unique Multi Plankton Sampler MultiNet. Furthermore we supply a wide range of water samplers, from Niskin bottles, Ruttner water sampler to advanced Carousel/Rosette systems in different sizes complete with CTD probe and other sensors. For sediment sampling we offer bottom samplers and single or multiple traps. Reliability and precision are our core intentions when developing and manufacturing our products.