Hello people brand new here and wanted to introduce my self. I live in north jersey and I have a 14x34 inground 8' pool. I stumbled across this site after searching for some help. After searching this site I thought it was full of knollegable people. So here I am. I'm a DIY guy and I'm still learning how to correct water problems. After 8 seasons I decided to install a salt water chlorinator generator had a great season, but after pulling my cover off I had a purple chalky residue o. The walls corners and stairs. I'm in dyer need of a fix. Has anyone ever had an experience with this purple stuff?