This is a homemade version of Rose’s lime cordial.

1 1/2 cups water
3/4 cups sugar
1 1/8 tsp acid blend powder
3/4 cup lime juice, freshly squeezed (about 4 limes)
Zest of 2 limes

Stir sugar and acid together. Bring water to a boil and add sugar mixture. Stir thoroughly to dissolve. Add lime juice and zest. Heat mixture for 1 -2 minutes on high. Cover and cool to room temperature. Refrigerate overnight, then strain out zest. Refrigerate for another day before using. Store in the fridge.