Service over ice for the most refreshing taste! freshly squeezed lemon and lime juice (approximately 2 limes and 2 lemons per 1/4 liter); maintain a 1:1 ratio of lemons to limes for best results water sugar Squeeze the juice from the lemons and limes. Add the lemon and lime juice to a blender. Add the sugar to a blender. Blend on a high speed until the sugar is dissolved in the mixture. Add the water. Blend at a low speed until the juice and water combine. Keep refrigerated until ready to serve.