On 10/02/2019 16:25, Brian Gaff wrote:

Does that stuff really work or just bung up the works?

It used to work in my old cast iron lump Mexico... needed a dose every
other year, and it made it significantly quieter.


--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/