Water wizards.

We have another, non-WC, 5th wheel parked in Lake Havasu City,
AZ. The water there is, to put it mildly YUCKY! Additionally it's full of minerals and saline. In other words, if it can be wrong, it is.

I'm pondering putting in a RO for the kitchen sink or maybe a softener. Our water usage there is actually pretty low.

Anybody got thoughts on this?

Have you tried using just a carbon filter to get rid of the taste?
I'm not sure it would completely solve your problem but it may make the water palatable.

I found a filter, new in the package, when we got there last
fall. I tried it, but if there was an improvement I didn't notice
it.
What we did was buy water @ a quarter a gallon for drinking purposes.