I flush and do not have a gall bladder any longer and still get results from my congested Liver Cleansing itself.
I see the stones floating in the water. I don't use a colander or anything like that. You pass the stones easily and painlessly from the Epsom Salts . They clean you out well, hence the diarrhea that people talk about, and what you pass the next morning is clearish fluid and the stones which usually float because they are made of cholesterol/fat. Fat floats. Here is a link to the liver Flush FAQ 's.