Mountain House says this in reference to their #10 cans: "After opening, we recommend using the contents within 2 to 3 weeks for best results and taste. Use the convenient resealable plastic lid between uses."
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.