Keep at it for about 2 weeks for a start - Your doing great! Drink plenty of water, and maybe add Kombucha to your protical http://www.kombuworld.lm77.com for help in detoxing.
As for the flukes, I saw some (I was pretty sure) in my stool when I first started Zapping - within the first week or two (can't quite remember for sure now), but I know it cured my cramps, which according to Dr. Clark are caused by flukes.