The only help I can offer is to recount the story of a jar of orange juice that was kept in a school locker for about a year. It changed colour, and all sorts of weird things began to happen inside the jar. Things were growing in there. Alien lifeforms. No one dared open it. There it stood, month after month, getting more and more awful looking. People kept stopping by to take a look at it and say "Eeeeew! Gross!". We left it there in the Spring for the custodian to find...