Winter storage of canned goods TT
Just finished doing the annual water system winterization. We are wondering if we can leave canned goods in the TT. It never gets below 0 F. here in east Tn. and then just over night for a few hours....
Forum Discussion
Spoiling isn't an issue; canned goods, if properly processed (and commercially produced canned food would be) can last for years and years, very nearly indefinitely.
Most canned goods probably wouldn't freeze under the conditions you describe for several reasons. The temperature inside the RV is more moderated than that outside (since the RV is enclosed and insulated, at least somewhat). The long-term average temperature will be similar, but the deviation from that average less extreme. Canned goods have enough thermal mass that it takes awhile for them to freeze. Also, most canned goods, though water based, have a good bit of either salt or sugar dissolved in the water, which lowers its freezing point.
Of course, it only takes one can bursting to make for a big mess in the spring. Bringing them in and using them up is the best option.
Most canned goods probably wouldn't freeze under the conditions you describe for several reasons. The temperature inside the RV is more moderated than that outside (since the RV is enclosed and insulated, at least somewhat). The long-term average temperature will be similar, but the deviation from that average less extreme. Canned goods have enough thermal mass that it takes awhile for them to freeze. Also, most canned goods, though water based, have a good bit of either salt or sugar dissolved in the water, which lowers its freezing point.
Of course, it only takes one can bursting to make for a big mess in the spring. Bringing them in and using them up is the best option.
