On 25/05/17 23:14, michael adams wrote:
"jim" k wrote in message ...

Who suggested the stains were "all the way" to the rim? Oh you did.

That's the usual pattern of staining in a lavatory bowl.

No. it isn't.

99% of all staining is where water collects and deposits calcium
carbonate. That is under the usual water level.




The water flows down the back of the bowl from the rim
depositing tiny amounts of limescale as it does
so which build up over time.


Not half as fast as the water collected in the bowl does.

I thought your solution to this problem, something which
will dissolve limescale overnight with no need for scraping
covered all typical situations.
It does. The problem with the bowl cleaning (and under rim cleaning) is
getting the acid to stick. That's where gel preparations do better than Hcl.

Not only your own where
apparently you only get limescale under the waterline.



michael adams

...








--
Jim K


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