This Mexican Strat came in for a setup. The strings had been removed and the owner had taken the opportunity to clean the fretboard, which is a good thing. However they used water, which is generally not the best thing the working with wood. You can see on the pictures how the fret board looks a little white in places, this is probably caused by the water. No damage was done but the board drank a lot of oil.
That’s another thing, if you have an ebony or rosewood fingerboard, don’t let not dry out!