B Biogas Manager Control AQUAVISTA Biogas Manager Control AQUAVISTA (BM Control AQUAVISTA) technology ensures that the treatment plant is operating at the most optimal conditions, providing maximum security and reliability. Monitoring and Control Systems H Hydrex™ Improve the performance and safety of your facilities with the HYDREX™ range of water treatment chemicals. Monitoring and Control Systems Hydrex™ Biocides Hydrex™ offers a range of biocides for many applications. Sludge treatment Hydrex™ Other Water Treatment Chemicals Hydrex™ offers solutions for each specific requirement in terms of chemical water conditioning, including tailor-made formulations. Sludge treatment