wwt Wasserwirschaft Wassertechnik” is the technically oriented practical magazine for decisions in drinking water and wastewater management. It is aimed primarily at decision-makers from the water supply, wastewater and sewage treatment plant sectors and regularly provides information on innovations, products and processes for and from the water and wastewater industry. In the current issue, read the article on “Efficient, automated process control in sewage sludge digestion” with the FINSTERWALDER BS42 bicarbonate analyzer.