[How to kill various germs] ○ Vinegar The acid content of vinegar is not only disinfection but also has excellent effects as a detergent. It is effective in neutralizing alkaline stains such as old soap bubbles, metal deposits, and oil stains attached to bathrooms, bathtubs, and sinks. Heat the vinegar in the shower room and bathtub until it gets hot and put it in the spray container. Spray enou..