Rank: Guru
Rating: 87%, 337 votes
I looked around on the web and this is the only link I could find where anyone was discussing this topic:
http://www.chowhound.com/topics/343987
There does not seem to be a clear concensus. I would call the customer service folks for your product. Their number is:
1-800-323-9519
I would be interested to hear what they say. I hope you will post the answer when you get it.
Good luck.