Gardener with basket of egg shells spreading crushed shells around tomato plant - VH-studio/Shutterstock A quality eggshell contains about 2.2 grams of calcium carbonate, the compound that gives them ...
I was shopping yesterday and found these little clusters (see photo) on the surface of an egg. They look like extra shell or a calcium build-up, but if they are, what causes this? If they are deposits ...