Black junk in skimmer of perfectly clear pool

[microscopes]

Picture attached. Any idea what it is? It spreads around when I touch it. Water is crystal clear.

 

[mknauss]

Suncsreen, lotion, hair products, etc.

I clean it out with simple green and a sponge.

 

[microscopes]

Suncsreen, lotion, hair products, etc.

I clean it out with simple green and a sponge.

Thank you!