Floating Cucumber, Tomato, and Onion Salad

Ingredients (8)

• + 8 cups peeled, thinly sliced cucumbers add to pantry
• + 1 large sweet onion, thinly sliced add to pantry
• + 1 tomato, seeded and chopped add to pantry
• + 1 ½ cups white sugar add to pantry
• + 1 cup distilled white vinegar add to pantry
• + ¼ cup balsamic vinegar add to pantry
• + 1 ½ tablespoons salt add to pantry
• ✓ 1 teaspoon celery seed