Stains in skimmer???

[JimK]

Is it oily? I get a rim all the way around my skimmer. Weird that it's only in that one spot.

I get the same thing sometimes. I've read that it's from body oils, lotion, sunscreen, etc. I do notice it more if someone using sunscreen has used the pool.

It is odd/interesting it only occurs in the skimmer.