If you need to return your favorite T-shirts to their original white color, remove the gray tint, then folk remedies will help. They are effective and allow you to save money.
For cotton and linen materials, a mixture of laundry soap and soda is suitable.
In a basin of warm water, you need to dissolve grated laundry soap, and then add baking soda.
As for the last component, for each liter of water you need to take one tablespoon of the bulk product.
You should leave things in this solution for several hours.
After this, the clothes need to be sent to the washing machine.
In addition, hydrogen peroxide and citric acid are effective.
These components need to be diluted in clean water, and then the damaged clothes need to be soaked in the solution. After that, all that remains is to rinse the laundry thoroughly, and then wash it in the usual way.