When you do a Liver Flush a lot of things may come out of your colon including gallstones, chaff, sludge, bile, parasites, candida etc.
My last 2 flushes produced nothing but chaff. It is a yellow-tan color and is very fine and floats. Couscous might be a good anology, some people call it sand. I've heard it is pulverized Gallstones and parasites. I think it is highly toxic since it burns like HELL coming out.
What you describe sounds like candida or parasites.
Hope it didn't hurt coming out the way chaff does. Anyway better out than in.