Today, black salt is commonly made by combining sodium chloride with trace amounts of sodium sulfate, sodium bisulfate, and ferric sulfate with charcoal. Despite its name, black salt usually has a ...

As Ferracru/Accrufer is not an iron salt, iron can be absorbed from the ferric maltol molecule and does not routinely cause the same issues. Under the brand name Ferracru the drug is already ...

The standard go-to solution is ferric chloride. It isn’t too tricky to use, but it does work better hot and with aeration, although neither are absolutely necessary. However, it does tend to ...