Also of note: many hospitals are now using silver to kill the MRSA on surfaces. Many years ago I had a house with the dreaded black mold . I mixed up a 200 PPM industrial mix and it killed it all off with one spraying
Application. Do not bad mouth something you have not tried and is proven to work.
.gov research, naysayers would do well to read the study:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264685/
I post this to help others. A major campaign has been launched by the government ( mainly the EPA) for years as you can make colloidal silver cheap, much cheaper than the drugs that are pushed for profit. Your loss.