How much of certain foods do you need for them to be part of the meal upon which an eruv is established? 2 meals worth of the given food, now jointly owned (for eruv chatzerot), or left in the place of extending your distance (even if you don't eat it). We focus on the beverages this time. First, wine. Depending on the wine, you might need more or less of it. For beer, the discussion revolves around how beer is not water (it was drunk as though it was). How much beverage do you need to make an eruv? Half a log of beer. As compared to a quarter of a log of wine (in 3/4 water). There has to be value to the meal in the beverage.