The vinegars available at the local shop (I am out in the bush) do not have
the strength mentioned on the label. Now if I had the gear I would take a
sample, do a standard dilution and titrate against a standardised base
solution using the appropriate indicator for a weak acid and strong base.
Or I could spend time at long distance rates trying to get this datum from
each manufacturer. Is there any simple way to test the strength of vinegar?

David