On May 9, 2:53*pm, Danny D > wrote:
> On Thu, 09 May 2013 17:32:01 +0000, Danny D wrote:
>
> EXPERIMENT IN PROGRESS:
>
> I am soaking the tough jobs in the suggested solutions,
> as we speak ... (Note: the gasoline & WD40 are omitted
> due to the fact that we want to re-use the jars!).
>
> Here are the three experiments + one control:
> *http://www3.picturepush.com/photo/a/...g/12891481.jpg
>
> I poured alcohol on the top left; dish detergent at top right;
> and olive oil in the foreground; with water in the circular
> tub to the right as the experimental control.
>
> Then I filled each container with water and let sit:
> *http://www3.picturepush.com/photo/a/...g/12891546.jpg
>
> Note that everything I've tried in the past has failed
> on these plastic vitamin and peanut butter jars; so it
> will be interesting to see what happens in a day or two.

You could do what smart people do ... Go to your local hardware store
and get some of that stuff they sell to remove sticky label residue.
But I suppose that is too logical.

N.