This easy recipe for refrigerator pickles is made by using leftover pickle juice. Save that jarred brine to reuse & add fresh raw cucumbers to make more pickles. The best quick pickles & less money than store-bought. Can you put cucumbers in old pickle juice - oh yes & here is how with these steps. Best uses for pickle juice - a vegan, vegetarian, paleo, keto, low-carb, & low-calorie food. The benefits are good so try this at home. Great as a side for sandwiches, burgers, or a snack.