[canals-list] Re: Swedish Bolin Pumps (And Anti-Freeze in Systems)

[Pengalanty]

--- In canals-list@yahoogroups.com, "Iain Street" <iain.str...@...> wrote:
>
> ----- Original Message ----- 
> From: "Pengalanty" <pengala...@...>
> To: <canals-list@yahoogroups.com>
> Sent: Friday, September 03, 2010 6:35 AM
> Subject: [canals-list] Re: Swedish Bolin Pumps (And Anti-Freeze in Systems)
> 
> 
> (snip)
>  > I always wonder where all the sludge comes from. ~Allan~
> 
> Basically, the radiators. The iron combines with oxygen in the water to form 
> magnetite (Fe3O4, IIRC). The process is encouraged by electrolytic action 
> between the steel radiators and copper pipes.
> 
> Iain
>
How interesting! (Seriously). I didn't know.
One learns something every day.  Thanks for the info! ~Allan~