Homeade Mozzarella

Ingredients

• ["1 1/4 cup water", "1 1/2 teaspoon citric acid", "1/4 rennet tablet or 1/4 teaspoon liquid rennet", "1 gallon milk, whole or 2%, not ultra-pasteurized*", "1 teaspoon kosher salt", "Equipment:", "5 quart or larger non-reactive pot", "Measuring cups and spoons", "Thermometer", "8\" knife