4 Cups of strawberries, blueberries and raspberries, diced
6 Cups of water, divided
1/2 Sugar cup Juice of a lemon
Add fruit, two cups of water, and sugar in a blender. Blend until the fruit is dissolved and have a homogeneous mixture.
Strain the mixture, place in a jar and then add the other four cups of water, lemon juice, and stir.
Serve with ice or place the jug of freshwater in the refrigerator for a few hours to cool.