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Stainless Steel Water Bottle: FAIL

Although I repaired the spout a while ago, those water bottles were never satisfactory and saw very little use. A recent cabinet cleanout showed the “stainless steel” has passed beyond its best-used-by date:

Stainless steel water bottle - rust

Stainless steel water bottle – rust

With no regard for whether the patient would survive the operation, I peeled off its rubber foot and applied the Lesser Hammer:

Stainless steel water bottle - insulation

Stainless steel water bottle – insulation

The “insulation” seems to be a rigid urethane-like foam disk few millimeters thick on the bottom of the interior flask, with good old air around the sides.

The bottles never worked very well and now we know why.

Gone!

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  1. #1 by RCPete on 2018-01-14 - 12:02

    There are multiple varieties of “stainless” steel; IIRC, the ones that are more corrosion resistant tend to be non-magnetic. They’re also harder to work and more expensive…

    • #2 by Ed on 2018-01-16 - 08:42

      The “more expensive” thing explains the situation, I think …