During one hour in the brine tetannia, a person absorbs as much iodine as during a three-week stay at the sea.
Saline tetanus is a wooden structure, covered with sprigs of sloe, on which brine flows down, which, breaking into small drops, creates an aerosol rich in micronutrients such as: iodine, bromine, sodium, potassium, calcium, magnesium and iron.