Subj : Re: pi500 and pi500+
To   : All
From : John R Walliker
Date : Tue Nov 25 2025 15:46:21

On 18/11/2025 23:49, Lawrence D?Oliveiro wrote:
> On Tue, 18 Nov 2025 18:09:05 +0000, The Natural Philosopher wrote:
> 
>> Iron in oxygen free water does not rust.
> 
> How do you make some? And how long does it stay oxygen-free?

Just put some iron in it and seal the container.

John

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