I got my water tested with a Kar labs 90 kit. This is for our cabin, 1.5 baths and there are 3 of us. The usage will be minimal, mostly weekends and a bit more in the summer. Recommendations please.
The results are:
Hardness 138 mg/L (as CaCO3)
Hardness (gpg) 8.1 grains/gallon
PH 7.9
Iron...