I have used it, I think it was 6.2...worked to get through a pre employment screen at quest labs a few years back. Afaik, its really about nailing that temp.
Monkey Wizz is the other one I have seen recommended, thought I was going to have to take a test so was out researching, lucked out and no test so whew, but it came up quite a bit. I would stick with the quick fix personally.
I lol at novelty urine for fetish purposes. It's like bongs for tobacco use only. Somewhere out there is a guy pouring ph balanced fake urine all over while smoking a camel jammed in the downstem of their water pipe.