Today we checked on our eggs for the final time-what a shock!

The Pepsi max stained the egg dark brown. The orange juice peeled away thin layers of the egg shell! The egg in water didn’t look any different apart from a small crack in the shell. 
Then we decided to use a toothbrush and toothpaste on the eggs to see what would happen to the shells. 

What conclusions have you made about the different drinks that we tested?