Storage

[kroert99]

How are you guys storing the unused vials? I read the freezer but then I vaguely remember seeing something that it shouldn't go in the freezer. I'm now officially confused. Thanks!

 

[glpfun]

Thread 'Storing your peptides?'

Oct 26, 2024

So I’ve read that peptides should be stored at -20 °C which is -4°F. My freezer in my apartment doesn’t uhh get that cold maybe 15 to 25°F. I just ordered a thermometer to keep in there.

My question is, is this an acceptable temperature to store them at 15-25 degrees?

• matrtx
• Replies: 12
• Forum: Public Square

 

[kroert99]

Thread 'Storing your peptides?'

Oct 26, 2024

So I’ve read that peptides should be stored at -20 °C which is -4°F. My freezer in my apartment doesn’t uhh get that cold maybe 15 to 25°F. I just ordered a thermometer to keep in there.

My question is, is this an acceptable temperature to store them at 15-25 degrees?

• matrtx
• Replies: 12
• Forum: Public Square

Thank you. My freezer says it's 0, and they won't be stored for years either. The thread you posted was helpful. Thank you again.

 

[zpped]

How are you guys storing the unused vials? I read the freezer but then I vaguely remember seeing something that it shouldn't go in the freezer. I'm now officially confused. Thanks!

reconned vials shouldn't be frozen but lyophilized vials are pretty much the colder the better. But better is pretty minimal really.

 

[aloil]

reconned vials shouldn't be frozen but lyophilized vials are pretty much the colder the better. But better is pretty minimal really.

How minimal an improvement is lower temperature? Is it reasonable to store un-reconstituted vials intended for up to 1.5 years in a fridge if the alternative is a frost-free freezer with erratic temperatures?

With shipping and testing costs it would be less expensive to order two kits at once, but that would mean storing the last vial for 19 months, maybe longer.

 

[penewbie]

How minimal an improvement is lower temperature? Is it reasonable to store un-reconstituted vials intended for up to 1.5 years in a fridge if the alternative is a frost-free freezer with erratic temperatures?

With shipping and testing costs it would be less expensive to order two kits at once, but that would mean storing the last vial for 19 months, maybe longer.

My gut feeling says that the erratic freezer temps would be better than stable fridge temps.
But it can be even better by mitigation, simply using a food thermos would stabilize the temperature swings.

 

[GimmeABreak]

My gut feeling says that the erratic freezer temps would be better than stable fridge temps.
But it can be even better by mitigation, simply using a food thermos would stabilize the temperature swings.

Putting the lyophilized peps in a thermos (insulated food storage container) in the freezer will limit the temp variations of a frost free or even manual defrost freezer.

 

[zpped]

How minimal an improvement is lower temperature? Is it reasonable to store un-reconstituted vials intended for up to 1.5 years in a fridge if the alternative is a frost-free freezer with erratic temperatures?

With shipping and testing costs it would be less expensive to order two kits at once, but that would mean storing the last vial for 19 months, maybe longer.

You'll have to make your way into the testing server to see the specifics, but a few percent.

I'll say personally I have no issue storing it in the cabinet for a few months, in the fridge for a year and in a regular freezer for >5 years before I think about being concerned about losing any meaningful efficacy.