Ingredients:
- Rind of 4 limes
- Juice of 8 limes
- 30 grams citric acid
- 1.5 kb sugar
- 15 grams tartaric acid
- Boil about 3 litres of water.
- Combine citric acid, sugar and tartaric acid.
- Pour boiling water over the above-prepared mixture.
- Stir to dissolve.
- Add rind and juice.
- Cover it and leave overnight.
- Strain the mixture and keep it in a bottle.