Apparatus for cleaning a surface comprising● a source of a catholyte electrochemically activated liquid,● a source of ozonated water including a water reservoir and an ozone generator,● a liquid dispenser,● a first flow path connecting the source of the catholyte electrochemically activated liquid with the liquid dispenser, and● a second flow path connecting the source of the ozonated water with the liquid dispenser, whereinthe liquid dispenser is adapted to dispense the catholyte electrochemically activated liquid and the ozonated water.