Hamusta Soup

Name: Hamusta Soup
Ingredients: 4 leaves Swiss chard, stalks discarded and leaves cut into wide ribbons; 2 stalks celery, leaves removed and chopped and stalks cut into 1/4-inch slices; 2 small zucchini, quartered lengthwise and thickly sliced; 2 small carrots, peeled and sliced into rounds; 1 large potato, peeled and cut into cubes; 1 head garlic, cloves peeled and lightly smashed; 9 tablespoons lemon juice; 1 tablespoon white sugar; 1 tablespoon salt; 6.3000001907349 cups water