Propriety systems offering a full suite of chlorine dioxide generation and control. Features include high and low concentration generation; pressure and atmospheric generating; two precursor / varying concentration chemicals. Reaction chambers are designed to give the most efficient reaction time for the chemicals prior to injection and are sized up to and including 1000gr/hr. The generator panels may be complemented with other features such as integrated gas alarms; integrated monitoring probes; flow interlocks; residual monitoring; remote connectivity via ethernet, WiFi or GSM (mobile data).