Remove the window blinds from the window and hang it from the hooks.
Cleaning metal window blinds.
For tough stains use a soft brush to scrub the area gently.
Take the blinds outside to your patio or driveway and lay them on a small rug or piece of carpet.
This keeps it from spraying backwards and ending up on the blinds where it can attract dirt and dust.
Finish by wiping each slat again with a sponge dampened in fresh clean water.
To clean metal and vinyl blinds follow this method.
Wet a car washing brush and brush the blinds from side to side and then turn them over and brush the other side.
Another preventative measure you can take is to always spray window cleaner on a paper towel or rag and never on the window itself.
Fill the tub with a couple of inches of warm water and add several squirts of dish soap.
With a soft sponge clean the blinds from side to side and top to bottom.
Dip a sponge in the solution and wipe down each slat.