Please, how to make ice syrup

Preparation materials: 1188 grams of rock sugar, 594 grams of water, 148 grams of fresh lemon juice

Preparation steps:

1. Squeeze the lemon juice and set aside

2. Put rock sugar into water, bring to a boil and then add lemon juice

3. Add lemon juice and bring to a boil, then turn to minimum heat and be sure not to stir again

4. Keep the fire low and cook

5. Cook until the syrup turns amber. Use a thermometer to measure the temperature at 115 degrees and then turn off the heat.

6. Let the syrup cool down. Bottling

7. Finished product pictures