[salvicu77]

ma allora qst tabella è leggenda metropolitana???

Ca.............KH.............Mg
410,82......7,00..........1232,46
415,83......7,07..........1247,49
420,84......8,04..........1262,52
425,85......9,01..........1277,55
430,86......9,08..........1292,58
435,87......10,05........1307,61
440,88......11,02........1322,64
445,89......11,09........1337,67
450,90......12,06........1352,70
455,91......13,03........1367,73
460,92......14,00........1382,76
465,93......14,07........1397,79
470,94......15,04........1412,82
475,95......16,01........1427,85
480,96......16,08........1442,88
485,97......17,05........1457,91
490,98......18,02........1472,94
495,99......18,09........1487,97
501,00......19,06........1503,00

illustratei x favore..sono dubbioso in merito