Fitkari, also known as Potassium Alum or Potash Alum, is a naturally occurring mineral salt with a crystalline structure. Colorless and odorless, it dissolves easily in water and has long been valued for its purifying and preserving qualities.Traditionally used in South Asian households, Fitkari plays a role in water purification, textile dyeing, and ritual practices. Its sharp, mineral texture and versatility have also made it a staple in local crafts and cultural routines for generations.