The reason this happens is that salt is hygroscopic. Hygroscopic means that salt absorbs water vapor from the surrounding air. Eventually, the salt attracts enough water vapor that the gas changes into liquid, and the salt partially dissolves and starts to clump together. To combat this tendency, manufacturers put additives in salt that keep it from liquefying.
Itchy Red Bumps on Chest and Back bumps on the back. Bumps are common on any part of the body. They could appear as a result of an allergic reaction, a disease or skin disorder. These may be caused by bacterial, viral or fungal infections. Some of these bumps may be localized on a certain part of the body or spread all over. Itchy red bumps on chest and back are common.
The pectoralis muscles are the largest muscles on the chest wall but there are several other muscle pairs present. These muscles can be easily strained with exertion. Chest wall injury is more likely to lead to a bruised feeling or even a stabbing sensation rather than a squeezing chest pain. However, chest wall problems should be considered when there is superficial pain (pain on the surface). Angina. Angina pectoris is heart-related chest pain caused by insufficient blood supply to the heart muscle.