Bib Espresso Bottle Preparer Heats water in record time and pours it directly into the bottle, very quickly and at the desired temperature, allowing direct dispensing into the bottle at the touch of a button with just one finger. It also offers the bain-marie function. Bottle preparator Heats water in record time and pours it directly into the bottle, very quickly and at the desired temperature, allowing direct dispensing into the bottle at the touch of a button with just one finger. It also offers the bain-marie function.