I'm pretty sure there's a map you can look up online that shows whether or not your region has hard water. I can't find it at the moment but perhaps you could Google around and see what you find.
3a, dense, fairly coarse, normal porosity and elasticity, just below shoulder
Low poo: Giovanni 50 50
Co-wash: aia, suave coconut, salon care
R O: Tresume Naturals, gvpcb
L I: KCKT, gvpcb
Stylers: cjpp, re : coil, kccc, brhg
Oils: coconut, argan
Experimenting with: curls rock amplifier, pantene mousse