Specific surface area with standard deviation bars (n = 3) for 5% and 10% sucrose solution for different fill volume and load condition. KEY: 1: 10% sucrose, one shelf, 4 mL; 2: 10% sucrose, one shelf, 2 mL; 3: 5% sucrose, one shelf, 4 mL; 4: 5% sucrose, three shelves, 4 mL; 5: 5% sucrose, one shelf, 2 mL; 6: 5% sucrose, one shelf, 5-mL fill without ice fog