Norfolk Island Pine what looks like water spots then turns brown?
Have no pictures. Norfolk Island Pine Araucaria gets what looks like water drops on needles before turning brown and falling off. What is it? Looked on line. Can't find answer.
I suspect a fungus disease called "anthracnose".
The first consideration is to not overhead water where the foliage gets wet.
Assuming its a house plant you can also treat it yourself and spray with a ready to use biological fungicide like this:
If it's a larger tree or it doesn't respond with the biofungicide, you may need a bigger gun in the form of a systemic chemical fungicide like this: