Sounds to me like you had a very successful flush if you got out all that "tannish floating stuff". It is my understanding that this is chaffe. I know that I have done 10 flushes and have not released any stones yet - but I have released cups and cups of the yellow, floating granular stuff you speak of. I read somewhere that some people (particularly people with Candida) have a LOT of this yellow chaffe in their liver and it is just as important to get this out at the stones. As the expression goes, "Better out that in",