Aptisens/CleanGrow, founded in 2009, specializes in making the measurement of ion concentration in liquids and soil easier through the development and commercialization of sensors. Their innovative technology utilizes carbon nanotubes as the transducing layer in the sensor, enabling new areas of testing and measurement. The company continuously improves its sensors through research and development, collaborating with top researchers to create high-quality sensors. Additionally, they offer a range of high-grade liquid fertilizers. Cleangrow focuses on providing clean and efficient nutrients, specializing in formulation, toll processing, and white labeling nutrients.