On Tue, 05 May 2020 13:00:54 +0100, Harry Bloomfield, Esq. wrote:

tim... has brought this to us :
Citric acid has long been on my list of items that I want in my
cupboard as cheap generic scale remover, because I don't like the smell
of vinegar

but I have never (since about 1970) seen anywhere openly selling it,

so no, I don't have some in my cupboards (I just suffer the smell of
the vinegar)

Homebrew home wine shops stock it.

I buy it at the chemist.

Although one chemist (I was in a different part of town and it was the
most convenient) was very iffy about selling it to me. I think he thought
it was for drug-related activities.



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