Chinese Pickled Mustard Greens (Haam Choy)

Bahan-bahan (12 porsi)

• 3 1/2 pounds Chinese mustard greens ((gai choy, weighed after trimming but before washing))
• 1.5 ounces jahe ((kupas dan iris setebal 1/4 inci))
• 8 teaspoons sea salt ((about 2 1/4 teaspoons/13g per pound of greens))
• 10 cups air
• 1 1/2 tablespoons sea salt
• 3 1/2 teaspoons sea salt ((1 teaspoon/6g per pound of vegetables))
• 2.62 teaspoons granulated sugar ((2.62 teaspoons is 2 1/2 plus 1/8 teaspoon; 3/4 teaspoon/3g per pound of vegetables))
• 7 tablespoons white vinegar ((2 tablespoons/30 ml per pound of vegetables))