3 Ways To Clean Blood From Walls

Wet old stains gently with water. [3] X Research source

Use your own saliva to clean up your own blood. [6] X Research source Test the effects of any cleaning product on an inconspicuous area before beginning to clean in earnest. [7] X Expert Source Marcus ShieldsHouse Cleaning Professional Expert Interview. 22 September 2019.

Use freshly diluted bleach or a disinfectant that is registered with the Environmental Protection Agency or similar body and is labeled for use with potential blood-borne pathogens such as HIV, HBV, or HCV. If the spill occurs in a public facility, such as a school, prison, or hospital, consult and follow the facility’s procedures for cleaning up bodily fluids. [8] X Research source

You may also make your own tile and grout cleaner by mixing ½ cup baking soda, 1/3 cup ammonia, ¼ cup white vinegar, and seven cups of water. Combine in a spray bottle, mix thoroughly, and spray onto the stained area. [19] X Research source Scrub and rinse.