I would do a series of 3 or more LFs and would not show stones by the 3rd flush but did not show any bright bile coming out so knew that there were more stones and sludge in my bile system. It takes at least two weeks or longer for the stones in the bile ducts in the liver to travel down to the gall bladder. If a person has parasites the stones may not come out as they are blocked. As long as you are making stones they will need to be flushed out. I did about 40 Liver Flushes and would get more stones out until I went on a strict gluten free diet. I had undiagnosed Celiac Disease which was shy I was making such a large number of stones.