https://www.waterdictionary.net/water/edinburgh https://www.waterdictionary.net/water/edinburgh > Edinburgh water is hard, with notably high sulphate No it is

https://www.waterdictionary.net/water/edinburgh https://www.waterdictionary.net/water/edinburgh > Edinburgh water is hard, with notably high sulphate No it isn't. Where did they get this? > Calcium 100 mg/L Magnesium 20 mg/L Hardness: 332 as CaCO₃ Actual data: https://www.scottishwater.co.uk/-/media/scottishwater/document-hub/key-publications/water-quality/130225waterhardnessdata24.pdf https://www.scottishwater.co.uk/-/media/scottishwater/docume... has five sampling points at https://en.wikipedia.org/wiki/Glencorse_Reservoir https://en.wikipedia.org/wiki/Glencorse_Reservoir (Edinburgh's drinking water supply) Zone Ca mg/l Mg mg/l CaCO₃ mg/l Hardness Glencorse A 10.04 1.31 30.44 Soft Glencorse B 10.36 1.36 31.44 Soft Glencorse C 10.04 1.35 30.60 Soft Glencorse D 10.16 1.35 30.90 Soft Glencorse E 10.06 1.34 30.61 Soft They're wrong by a factor of 10 to 20. How can I trust any other page on the site, if I check one and it's completely wrong?