Hi, Claude,

Sure, it could be your water, or spots from fertilizer residue. Remember
that the grower who sold the plant most likely wanted it to look ship-shape
when it was for sale. If you go into a grower's greenhouse (at least around
here) where there are thousands of plants, the leaves look terrible.
Nothing wrong with them; just fertilizer residue.

See Joanna's post about cleaning plants for more. And don't have an orchid
breakdown! As to the orchid psychiatrist, if any practitioner has managed
to figure out the psyche of an orchid, I want to meet that person. LOL

Diana