There are two different tricks to brighten those whites using different items.
I think these are great laundry tips to keep in mind for the future when I wash my whites.
The other option would be adding 3/4 cup of baking soda to the bottom of the washing machine.

Image by Andrea Jean Cleaning via YouTube
Then, add any of your whites into the machine.
This helps with the stain-fighting process better.
I usually wash my whites by spraying on Shout or using Oxi-Clean with laundry detergent.

