Make a window cleaner from vinegar and water by adding one part vinegar to one part water in a spray bottle. To get rid of hard water marks on a glass surface, use undiluted vinegar in the spray bottle.Continue Reading
Combine one part distilled white vinegar and one part water in a spray bottle.
Use the spray bottle to apply the water and vinegar mixture to the glass surface.
Use a lint-free rag, cloth or towel to wipe away the liquid cleaner and remove any smudges.