Portable AC maintenance & Mildew elimination

How to clean up mildewed and muddy water-entrapment and dispensing tray off of a portable AC space-cooler, to prevent overflow due to CLOGGING,

Portable AC unit maintenance,Portable space cooler maintenance,Unclogging water-collection tray of Portable AC,Maintenance of portable AC units,How to prevent flooding from Portable AC unit,How to maintain Portable AC units,Mildew elimination of Water-trap in Portable AC,