try rainwater, try carrying 2 gals of distilled water, try stream
water in rural areas, try carrying a handheld tds meter to test all
your water even ro watermaker water. I've been all over the boonies -
maybe hard to find in high dry deserts - so carry water.


It seems illogical, though, to put on caps to conserve precious distilled
water and then take them off for an operation that you know wastes a lot of
it. (Distilled water is easy to get in the USA, but try finding it in the
boonies....)