The large batch was strong we used 1/3 cup juiced grapefruit and 1 tablespoon of sugar. We made 14 bottles of greyhound.
The medium batch was very strong so we did 1/2 tablespoon to make 8 bottles.
We pulled the grapefruit at 2 days and it was perfect, not explosive but a good fizz. Pulled the plain at 2 weeks.