On 07/04/2020 21:39, Vir Campestris wrote:
On 07/04/2020 14:27, David wrote:
Don't think it can be limescale because there is no build up in the
kettle
and we use softened water.

There's some evidence that you should not use softened water for drinking.

Andy
yep. Teh less than one teaspoonful of sodium t in a gallon is reckoned
to be far more harmful that eating half a bag of crisps


--
"If you dont read the news paper, you are un-informed. If you read the
news paper, you are mis-informed."

Mark Twain