Elemental sulfur is sulphur straight up.
The yellow stuff.
//////
Could take quite bit of product
and considerable time thru bacterial action
to change pH
depending on your soil type.
A soil sample to a chemist/agronamist.
would be most definitive.
USA
45 cops / yr killed by guns in line of duty.
[Some shot by other cops]
Cops kill ~1200 civilians;
1/2 of whom were not criminals.
Like this young man.