this is a table of my water :
Slowmo Water 2015 values
Aggressiv carbondioxid at 12C mg/lmg/lmg/l < 5< 5< 5
Alkalinitet,total mmol/lmmol/lmmol/l 575
Ammonium mg/lmg/lmg/l < 0,005< 0,005< 0,005
Calcium mg/lmg/lmg/l 120
Carbonat mg/lmg/lmg/l < 3< 3< 3
Carbondioxid at 12° mg/lmg/lmg/l 25
ChloridChloridChlorid mg/lmg/lmg/l 67
ColorNumber Pt mg/lPt mg/lPt mg/l 39
Fluorid mg/lmg/lmg/l 51
Hydrogencarbonat mg/lmg/lmg/l 351
Hydrogensulfid mg/lmg/lmg/l < 0,02< 0,02< 0,02
Hardness, permanent ºdHºdHºdH 60
Hardness, total, °dH ºdHºdHºdH 22
Hardness,carbonat ºdHºdHºdH 16
Iron mg/lmg/lmg/l < 0,01< 0,01< 0,01
Potasium mg/lmg/l 36
Lime fallout at 12 ° ºdHºdH 7
Konduktivitet at 25° mS/mmS/m 891
Magnesium mg/lmg/l 23
Mangan mg/lmg/l < 0,005< 0,005
Methan at 10 °C mg/lmg/l < 0,005< 0,005
Natrium mg/lmg/l 33
Natriumhydrogencarbonat mg/lmg/l < 3< 3
NitratNitrat mg/lmg/l 15
Nitrit mg/lmg/l 0.001
NVOC mg/lmg/l 20
Oxygen mg/lmg/l 86
pH ved 25° C pHpH 72
Phosphor, total mg/lmg/l < 0,01< 0,01
Sulfat mg/lmg/l 93
Turbiditet FTUFTU 007
Dry Stuff mg/l 570
Im no expert but i supect the high volume of traceables, plus hardness is the magic
Greetings Slowmo