Alum, by the way, is a common material that is easily available everywhere at very low cost
Yes, that’s correct. Alum is a type of salt that is commonly used for a variety of purposes, including as a purifying agent, a food preservative, and in the making of paper, textiles, and pharmaceuticals. There are several types of alum, including aluminum sulfate, potassium alum, and ammonium alum. The most common form of alum used in household… Read More »