I use that product... but not on all chips. I learned the hard way. You have to be VERY careful if you decide to do this, especially on C&S chips. Do not use it on them at all... don't ask! Sterling Magic is the best thing to use but I'm just too cheap to buy it and have left my better chips alone. I would advise the same if you don't have any.

FYI:
Always ask if you're not sure and check out the club's website. There is a ton of great information on there.