Start by cutting your cantaloupe in half lengthwise using a sharp knife on a stable cutting board. The melon should feel heavy for its size and smell sweet at the stem end - these are signs of perfect ripeness.
Scoop out all the seeds from both halves using a large spoon, then place the seeds in a fine mesh strainer set over a large bowl. Press the seeds firmly with the back of your spoon to extract every drop of that precious sweet juice - don't waste any of this liquid gold.
Now comes the fun part - creating those signature melon strings. Hold one melon half firmly and use your melon scraper to scrape from the center toward the rind in long, steady strokes. Work your way around the entire half, letting all the scraped melon and juice fall into your large bowl. Repeat with the second half.
If you don't have a melon scraper, cut the melon into eighths and run each piece through your food processor using the grater attachment. This creates similar stringy pieces that work just as well.
Pour all your scraped melon, collected juices, and the reserved seed juice into your large pitcher. Add the cold water and stir gently to combine everything evenly.
Cover the pitcher and refrigerate for at least one hour, though overnight is even better as it allows the flavors to fully develop and intensify. The longer it sits, the more flavorful your drink becomes.
Before serving, give it a taste test. If your cantaloupe wasn't super sweet or you prefer a sweeter drink, stir in date syrup one tablespoon at a time until it reaches your preferred sweetness level.
Serve in tall glasses filled with plenty of ice, and don't forget to provide spoons so everyone can enjoy eating the melon strings - that's half the fun of this traditional drink.