Life time of marijuana

The best long-term storage will reduce interaction with air, have proper RH%, hidden from light and be relatively cool. 12-18months you can get away with a jar or foodgrade bucket/gamma seal and some 2-way RH packs with minimal loss to taste or potency. Might be a 10% loss at this point? it;s far less than you expect, that's what i recall when reading an informal experiment. However, the degredation rate increases over time, so after 12-18 months of basic storage it'll start to go downhill faster and faster. the drawback to fridge or freezer is fluctuating temps and RH. Maybe double wrap it. There's 2 different methods a wine cooler controls temp/rh... one is much better than the other relative to storing weed but i've forgoten the terminology. You could get something similar to a cannatrol for 1/2 the price. vacuum sealing seems to work well for the people i know that use them. My concern is that the negative pressure increases evaporation... which in a tight space may not be relevant, but is still true as far as the effect (physics/chemistry of it). the intense smell when you open it up is evidence of evaporation (this is terps lost from the plant material, if you smell it), but may be less than what would occur in a different packaging system, since it's all pent up and reaches a carrying capacity v released repeatedly each time you open a bucket/jar.... as it fills what little space the vacuum seal leaves, that increases vapor pressure and slows evaporation at some point - you'll still have some going in an out of equilibrium, but some inevitable condenses back on the plant material too. My guess is vacuum sealing along with near zero temps, like fridgerator, might be best option for long-term storage >=18 months or thereabouts. Keep it dark and try to control any RH% fluctuations if you put it in a fridge. unfortunately, unless the difference is extreme, our senses aren't typically good enogh to distinguish which storage choice is better relative any particular context of common sense. 6-12 months whatever you do won't matter too much as long as somewhat of a competent context.