@jacknicas Da, Is my math right?

How I made my own hand sanitizer
W reference article {9}

1 bottle of 3% Hydrogen peroxice to 3 bootles water = .75% aolution. Fill a little pocket size spray bottle.

Reference 9
minds.com/newsfeed/10455… @jacknicas #coronavirus
can be efficiently inactivated by surface disinfection procedures with 62-71% ethanol, 0.5% hydrogen peroxide or 0.1% bleach

Source
according to science
cnn.com/2020/02/17/hea…