Blessing of liquid
The ascended masters teach the following way to bless water or any liquid:
Hold your glass in the left hand and place the right hand over the top of the glass, palm down. The left hand is the Omega, the receiver, which extracts impurities from the liquid. The right hand is the Alpha, the giver, with which you charge it with light as you give a simple prayer. Ask in the name of your Mighty I AM Presence and Holy Christ Self for the liquid to be demagnetized of all toxins, pollutions, impurities and then charged with the light of God. Call to the angels to bless it with the specific healing properties you need for the healing of every cell and atom of your being of any negative condition, known or unknown. Call forth and visualize the violet flame charging that liquid and changing it into a violet flame elixir of light.
Sources
Pearls of Wisdom, vol. 34, no. 65.