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Computer interface for controlling systems based on light for the purification of air and water, consisting of reactors, cells, or pipes used for treating liquids and gases, along with accompanying computer software for control, management, monitoring, reporting, and analysis of the treatment of liquids and gases on-site or remotely; UV sensors for water purifying apparatus and machines; water flow, temperature and pressure sensors; chemical analysis sensors of water pH, conductivity and salinity.

Water purifying apparatus and machines, namely, disinfectant chambers, photochemical chambers, germicidal lamps, germicidal LEDs, ultraviolet A (UVA) and/or ultraviolet B (UVB) and/or visible (VIS) lamps and/or LEDs; water purifying filters; apparatus for cleaning in place of water treatment systems; water and air control valves; computer-controlled light-based air and water treatment systems comprised from reactors, chambers or conduits for use in treatment of liquids and gases.