From my own experience, this advice about not keeping empty jars but filling them with clean water has proven incredibly useful especially during unexpected emergencies. Once, during a harsh winter storm, our area lost power and access to running water for several days. Because I had several canning jars filled with water, I was able to provide for my family's basic hydration needs without rushing to stores that had already sold out of bottled water. This practice is not only practical but also space-efficient. Storing empty jars takes up the same shelf space as filled ones, but a jar filled with water can become a vital resource during natural disasters or supply shortages. The key point, as my grandmother emphasized, is that the water must come from a safe source. If unsure about water quality after long-term storage, boiling the water before consumption ensures safety. Another benefit is using these water-filled jars for washing and cleaning when running water is unavailable. The weight of the water also adds stability to shelving and reduces the risk of jars tipping over compared to empty ones. This simple but wise tip has saved me from inconvenience and worry more than once. I’ve noticed many people recommend stocking up on bottled water, which is great, but the storage can be bulky and expensive. Using reusable canning jars filled with water is an eco-friendly, cost-effective alternative that can be easily integrated into your pantry routine. If you haven’t started this practice yet, I highly recommend filling any empty canning jars with clean water and placing them on your pantry shelves. It’s a small step that could make a big difference in an emergency.