Typically for this locality (chirping cricket motel):Water composition? Missed this vital factor ...
pH - 7.4
Conductivity - 807
Colour - 2
Alkalinity - 154
DOC - 4
Hardness - 182
and importantly - Turbidity 0.2
In other words, it was pretty good, no complaints (the push button plug in the basin was 95%) and latherability was very good (but I did have good soap).
But I'm very glad to be home.