When a major earthquake hit Coalinga (CA) back in '83 the city water system was compromised. The military (Lemoore NAS) sent in a lot of water buffalo and Bush Gardens in LA sent truckloads of quart beer bottles and six packs of white painted cans of water. Thinking these would be a handy way to store emergency water, I grabbed on to several cases of those cans of water. Several months (maybe as many as 7-8, I forget) later I noticed that most of the cans were swelling badly, one some even popped open. Not from external heat, musta been something BAD growing inside...