Anecdotal sources suggest that Sonic, Raising Cane's, Zaxby's, and Chic-fil-A serves the best crushed ice ever. They have ice that mix well with all beverages and also stand alone on its own.
Some forum states that McDonald's and Dunkin Donuts sell bags of ice. While it may be solid not enough to melt in your drink, as per John Hein it will provide a reminder of what you just had if you remain thirsty. Their ice are big and thick; works best in larger drinks. It takes a while for the cubes to melt, which keeps the drink cold if a long haul is needed.
We usually don’t think about ice too much, unless there’s none in the freezer and all we have to drink is a warm can of Coke. But the cold, hard, slippery truth is that ice deserves more consideration than that- and not just the kind you put in your drink. There’s much to be learned about our past, present and future from studying the cold stuff, so grab yourself a nice beverage or a refreshing popsicle and prepare for a brain freeze.
Check out these 10 strange and fascinating facts about ice shared by Toptenz.net.