Only slice them just before serving.
6. Remove Spoiled Berries Promptly
One bad berry can spoil the entire batch.
Daily maintenance:
Check your container each day.
Immediately discard any soft, moldy, or bruised strawberries.
7. Try a Vinegar Soak to Kill Mold Spores
This method can add a few extra days to your strawberries’ shelf life.
How to do it:
Mix a solution of 1 part white vinegar to 3 parts water.
Soak the strawberries for 5 minutes.
Rinse thoroughly with clean water.