Impeller shelf life

[ArtJ]

When the new ones arrive, I will compare the appearance and stiffness.

If they appear to be the same, I'll try them out and keep the new as spares.

[ArtJ]

Replaced both impellers fresh and salt on my MMI pumps yesterday

Both impellers were new old stock, never used, and MMI bought in plastic bags.

I was alarmed when later reviewing the plastic bags dates that I had written
on them that one was from 2014 and the other...