This guide provides a systematic approach to safely dilute 70% acetic acid (vinegar) down to a 9% solution, which is commonly used for various culinary and cleaning purposes. Diluting acetic acid requires careful handling due to its corrosive nature, thus it is crucial to follow safety protocols and precise measurements. This process is beneficial for those who need a lower concentration for cooking, pickling, or household cleaning. By adhering to the outlined steps, you can ensure a safe and effective dilution while understanding the characteristics of acetic acid and its applications.