# Safe to reuse insulin from used pump tank into the next?

**URL:** <https://forum.fudiabetes.org/t/safe-to-reuse-insulin-from-used-pump-tank-into-the-next/6732>\
**Category:** Insulin\
**Tags:** cost-of-diabetes\
**Created:** [February 21, 2019, 5:01pm UTC](https://forum.fudiabetes.org/t/safe-to-reuse-insulin-from-used-pump-tank-into-the-next/6732 "2019-02-21T17:01:28Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Thomas](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/thomas/32/1719_2.png) [@Thomas](https://forum.fudiabetes.org/u/Thomas)\
**Post date:** [February 21, 2019, 5:25pm UTC](https://forum.fudiabetes.org/t/safe-to-reuse-insulin-from-used-pump-tank-into-the-next/6732/7 "2019-02-21T17:25:39Z")

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> [@Insurance now requires pharmacies to pick SHORT end of prescription range?](https://forum.fudiabetes.org/t/insurance-now-requires-pharmacies-to-pick-short-end-of-prescription-range/6724/41):
>
> Although the problem is slightly different if you always recycle the old insulin, since you start accumulating very old insulin, in small amounts of course.

Totally agreed.

Hence, I would only do this every other cartridge change.

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