Probably not if it was well sealed, it's just oxycilic (sp?) acid.
On 2019-11-09 05:54, Jim Gano via Trawlers-and-Trawlering wrote:
> I need to prime some rusty steel on my generator. I have some 8 or 9
> year old Ospho.. Does it go bad with time?
>
> Jim Gano
>
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