Doc's Elixer (his spelling) still works. AND you can use it on today's balls.
However, although I ordered some about a year ago, the web site I had for it is no longer accessible. I get "URL not found". So, I don't know another way to get to him and it. Maybe someone else has his new contact info, IF HE'S STILL SELLING IT, that is.
"None are so blind as those who will not see."