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Posted 05/20/2018 1:43 pm
Without getting into the definitions of "cull" and "patina" or to which group of coins "these" and "them" refer, my suggestions:
a) Thoroughly rinse all present coins in distilled water and (allow to) completely dry before re-jarring.. Do the same to all 'new' coins prior to adding..
b) Almost everyone "forgets" that even in these early days of our current still-kinda-new-at-built-in-obsolescence disposable plastic worldview the lids on most gallon-size jars continue to be made from some kind of metal.. Many now have a sort of liner on their underside.. Many yet do not.. It's this latter group that can be problematic, as they (can) add to the reactions already taking place from interactions among the various substances adhering to the coin's surfaces along with the coins themselves, which can be aided by pollutants & humidity in the air trapped in the jar as well as also reacting with the lid's metal..
Some type of seal needs placed between the lid and jar's innards as close as possible to the lid's inner surface.. I can't recommend spray plastics / paints / clearcoats since they all have their own off-gassing situations.. Even stretch-y wraps can be problematic.. What I've found to work best is either wax paper or Ph-neutral paper.. Better yet: a combination of the two.. Simply lay them across the top and replace lid; no need trying to size for the inside..
c) Should you want to go full-bore by adding vacuum to the jar, here's a cheap and easy way to do it: Drill a hole in the lid that will fairly snugly accept a length of 3/8 to 1/2 inch inner dimension tubing, completely sealing at external lid juncture with something non-toxic.. Whenever you want vacuum within simply draw through the tubing and clamp off..
No more grow-y stuff in your jars..
Swamp
a) Thoroughly rinse all present coins in distilled water and (allow to) completely dry before re-jarring.. Do the same to all 'new' coins prior to adding..
b) Almost everyone "forgets" that even in these early days of our current still-kinda-new-at-built-in-obsolescence disposable plastic worldview the lids on most gallon-size jars continue to be made from some kind of metal.. Many now have a sort of liner on their underside.. Many yet do not.. It's this latter group that can be problematic, as they (can) add to the reactions already taking place from interactions among the various substances adhering to the coin's surfaces along with the coins themselves, which can be aided by pollutants & humidity in the air trapped in the jar as well as also reacting with the lid's metal..
Some type of seal needs placed between the lid and jar's innards as close as possible to the lid's inner surface.. I can't recommend spray plastics / paints / clearcoats since they all have their own off-gassing situations.. Even stretch-y wraps can be problematic.. What I've found to work best is either wax paper or Ph-neutral paper.. Better yet: a combination of the two.. Simply lay them across the top and replace lid; no need trying to size for the inside..
c) Should you want to go full-bore by adding vacuum to the jar, here's a cheap and easy way to do it: Drill a hole in the lid that will fairly snugly accept a length of 3/8 to 1/2 inch inner dimension tubing, completely sealing at external lid juncture with something non-toxic.. Whenever you want vacuum within simply draw through the tubing and clamp off..
No more grow-y stuff in your jars..
Swamp
Edited by da Swampster
05/20/2018 2:02 pm
05/20/2018 2:02 pm
What the Crazed One sez too..
