I did not use it, i have in the past this is my third year home wine making, but this was box of cabernet juice, figured long as i follow directions shouldnt have to get as involved as my current(red fruit) wine being my wife just gave birth to a lil girl, 17 days ago i was going for easy, and hopefully delicious, the hole on the top of my primary lid accidentilly got coverred with the clarifying agent bag, then i lift the lid and it bubble city