Descaling powders typically contain organic acids known for their effectiveness in removing mineral deposits. A common example is Glitz Descaler Tablets, which include sodium percarbonate and citric acid as key ingredients. The sodium percarbonate concentration ranges from 10% to 20%, while citric acid comprises 40% to 80% of the formulation. Additionally, there are other non-hazardous ingredients, the specifics of which are not disclosed. For detailed composition information, one can refer to the Material Safety Data Sheet (MSDS) of the product, which provides insights into the chemical makeup and safety guidelines associated with these descaling agents.