Rinse thoroughly with clean water and pat dry with a soft ... rinse the shells thoroughly with fresh water. Submerge the shells in vinegar for a few hours. Vinegar helps to dissolve any calcium ...

Step 7: Next, take the egg from the orange juice and clean in with water. Use your finger to rub the shell. Step 8: Look at the egg in vinegar next. You might see it is covered in bubbles ...