mixing your baby's bottle may be new to you but it's easy to master with just three steps first get everything ready start by washing your hands then gather a sterilized bottle nipple ring and cap and the formula container check the use by date if your container is dented bulging or leaking call the number listed on the back and do not use next add water check the label to find out how much you'll need use cold tap water hot tap water may contain metal contaminants such as lead from the pipes bring water to a rolling boil and then continue to boil for two minutes let cool to room temperature prior to mixing pour desired amount of the cooled water into the bottle finally add the powder check how many scoops you need for the amount of water in the bottle after filling the scoop that came with the container level it off with a clean knife pour the powder into the bottle attach the ring nipple and cap and shake well to mix before feeding shake a few drops onto the inside of your wrist it should feel neutral neither warm nor cool you'll be surprised how fast these three easy steps will become second nature