To make the process quicker, wash them with baking soda and salt.
Then sprinkle about 1-2 teaspoons of salt on the grapes.
Sprinkle another 1-2 teaspoons of baking soda on there.
To check out the full post, use the link below.
HOW TO: Wash Grapes The Right Way|Nature’s Nurture Blog
Photo bySylvie F.