Thankfully, in Athens Greece where I live, the water is slightly deficient in minerals, which is good because you can always add what is needed :p . My profile:
Ca+2 - 46
Mg+2 - 5
SO4-2 - 25
Na+ - 5
Cl- - 7
CaCO3 - 136
With water pH being 7,7 and total alkalinity is estimated to 136 (using...