DEMO: Grapefrutti

500 grams Grapefruit juice;
100 grams Glucose;
550 grams Sugar;
15 grams High methoxy pectin
5 grams Citric acid.

Bring juice, glucose, and 500 grams sugar to a boil.
Add pectin mixed with 50 grams sugar, and cook until 104 Celsius.
Away from heat, add citric acid and immediately mold.

Please click through for step by step tips and instruction: