I used two trestles and some leftover wood.
How to make vinyl blinds white again.
Bleach is a natural whitener and can sometimes remove the yellowing.
Remove the blinds from your windows and place them in the bleach bath.
And then spray until the brown is gone.
If plastic or aluminum blinds still have stains after routine cleaning you can try a bleach bath.
Dust both sides of all the slats of your blinds thoroughly with a dry rag.
In the next picture the left side has 2 coats and the right side only one.
You just need to hang the blinds in a way to be able to open and close the blinds.
Here are some methods that you can try to see if it will lessen the yellow tones or possible restore them back to white again.
How can you get them looking like new again.
This yellowing can be from the sunshine or a faulty product.
Make sure to submerge every part of your blinds in the water and soak them for at least 10 minutes.
To do so fill a bathtub with cold water and add 2 to 3 cups of bleach.
I let it dried a bit before closing the blinds and spraypainting again.
Vinyl blinds are not good for that reason.
Use what you have on hand.
You can always switch to aluminum or go to an off white vinyl blind to prevent yellowing from being so noticeable.
Do this once with the blinds closed and again with them open to make sure you remove all the surface dirt.
Unfortunately once they fade not much can be done.
I used to sell window blinds and because of their price points they are made to be replaced economically.
Spray the vinyl window with the vinegar solution or cleaner and let it sit for several minutes.
Apply with a soft cloth.
Do your vinyl shutters have the faded and chalky film on them.