Chill the watermelon prior to juicing.

• Take watermelon cubes in a blender along with lemon juice. Blend it until smooth.

• Place a fine-mesh strainer over the large bowl, pass the juice through the strainer. Use the spatula to push the juice through the strainer.
•Now add water and rock salt to mix.
• Discard the pulp and pour the juice into the glass and serve