Should You Wax A New Shower Before Using It What Kind Of Wax Can Be Used On Shower Door Glass To Prevent Etching From Hard Water?

What kind of wax can be used on shower door glass to prevent etching from hard water? - should you wax a new shower before using it

I've heard that the wax to prevent hard water etching of glass, but you do not know what kind of wax to use. I am the door glass to the old one is saved and stains can not be deleted, which replaced it. I will not happen again this.