First put bleach and water into your spray bottle. Make it a 2:1 ratio 2 parts water one part bleach.
Make sure you are wearing your gloves! Because you will working with bleach, if you forgot...
Next you shall spray your t-shirt with the water/bleach solution. Then let it dry.
As your shirt is drying, fill your bucket with water. When your shirt is all dried, put the shirt in the water.
Then let it dry.
This should be your out come! :)