Moving up a step in my brewing and looking at water chemistry now.
I have tried using EZwater.
My water varies a lot so here are two reports based a few months apart.
Ca:14 Mg:7 Na:19 Cl:38 So4: 5 CaCo3 53
Ca:28 Mg: 30 Na:67 Cl:142 So4: 25 CaCo3: 126
To brew...