Hi, Tony; It would be good to know the pH of the soil where the aluminum was. Will you please report that? 73 de WOØW N2TK, Tony wrote: >Took 5 years here in up state NY for the aluminum shield on the buried >hardline to become goo. It totally dissolved and left 2-3' open spaces with >no shield. > >N2TK, Tony > > > > >