Lye, or sodium hydroxide, is a versatile chemical compound with an indefinite shelf life, making it a valuable addition to your storage. Here are some of its essential uses: Soap Making: Lye reacts with fats to create soap, ensuring hygiene even in tough times. Degreaser: It’s a powerful cleaner for tough grease and grime. Food Preparation: Used in making traditional German pretzels and curing olives. Biodiesel Production: Converts fats and oils into biodiesel for alternative fuel. Sanitation: I