Place the almonds with one cup of water in a glass or stainless steel bowl. Soak for at least 8 hours.
Drain and rinse soaked almonds, place into the Vitamix blending container.
Add 4 cups of filtered water and blend on highest speed for at least 1 minute.
Place a nut bag or filtering bag over a large bowl. Pour almond milk slowly into filtration bag and allow the milk to filter through. You can use a spatula to stir the milk encouraging it to filter quicker.