When curing eggs

Borax draws water from the cells
Sugar acts as a hardener to firm the eggs
Nitrates, Nitrites, Sulfites and Sulfates act as a preservative
Salt also draws moisture

Many cures use Borax and Salt, why both when they are both used to draw moisture from the cells.

Is it because the Salt as well as drawing moisture from the cells also acts as a hardener?


Are Nitrates, Nitrites, Sulfites and Sulfates basically salt?
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Lead Thrower