First time attempt at water treatment

[HTH1975]

and the 5L bottles are the same... https://www.tesco.com/groceries/en-GB/products/267832188

 

[HTH1975]

This is their cheap stuff that does not list alkalinity/bicarbonates, but does list dry residue at 219ppm... https://www.tesco.com/groceries/en-GB/products/301456121

 

[cochised]

I'll have a look in store but think they've stopped selling Ashbeck altogether in the Republic and the one I listed is all they offer now

 

[cochised]

Think stuff we get here is bottled in Ireland so bicarbs will be high

 

[Silver_Is_Money]

This is their cheap stuff that does not list alkalinity/bicarbonates, but does list dry residue at 219ppm... https://www.tesco.com/groceries/en-GB/products/301456121

From what's given here I would initially estimate that alkalinity = ~130 ppm, and bicarb = ~159 ppm