Commonly known as BLEACH, used as a disinfecting agent. The sodium hypochlorite solution got much popularity in society during COVID-19 pandemic situation It is frequently uses in health care facility, quarantine centres, isolation centres and even at home. Its compulsory for everyone that, what is the exact role of solution and correct method of use. It requires awareness. Many of health care staff /house keeping staff also not much aware how to prepare fresh hypochlorite solution. Here an effort is taken to describe the topic in practical way