Hi David, I think the prazi did most of the work when I dropped out two mountains of fresh flukes.. they were pretty much "new" and fleshy, not dried up like tomato skins. When I sneezed one up a while ago, it was like a slug, fresh and most probably alive. When it dried up it looked like a rolled up brown stick... so they do change according to alive to dead. Some time ago a Liver Flush produced some that were coral colour and looked like skins. I"m doing the myrrh now after the prazi and still more come.