Cucumber Onion Refrigerator Pickles

Makes: 2 cups

2 cups cucumbers, sliced
1/2 cup onion, sliced
1 cup water
1/3 cup vinegar (apple cider, white, and rice wine are all good)
1 tablespoon sugar
1 to 2 teaspoons salt

Combine ingredients and store in an odor-proof container in the fridge until ready to serve. This is best if it can marinate at least overnight.