Repairing pebble tec

Sorry, if this has been gone over but I’d really appreciate some help. I have an in ground pool that I don’t know much about. I moved in three years ago and I’ve replaced some normal wear items but the pebble tec started coming up in small patches so I want to attempt it myself.

I guess I should start with asking if I have actual pebble tec or pebble sheen. I’ve attached some pics that can hopefully help. Also, I see numerous different colors available from different websites. I know it’s...

Repairing pebble tec