You can upgrade to a Blue by replacing the stylus but not a Bronze as it has different innards.
Put a few drops of 91% isopropyl alcohol on a Magic Eraser. Drop and raise the stylus (with the cue) into it a few times.
Put a few drops of 91% isopropyl alcohol on a Magic Eraser. Drop and raise the stylus (with the cue) into it a few times.