The viral fridge hack that actually works: Why people are putting a dry sponge in their vegetable drawer this summer

Every summer, the same two problems show up in kitchens across India. You open the fridge, and something smells off. And the leafy greens you bought two days ago, spinach, coriander, and cucumber, have already turned limp and soggy at the bottom of the vegetable drawer. It happens faster in the heat, it wastes food and money, and no amount of rearranging seems to fix it for long. A simple trick has been making the rounds on social media recently that addresses both problems at once, costs almost nothing, and requires no special product. All you need is a dry sponge, the kind already sitting next to most kitchen sinks. The reason vegetables spoil faster in summer is not just temperature but also humidity. As the weather heats up, the air inside the refrigerator, particularly in the vegetable drawer, holds more moisture. That excess dampness settles on the surface of fruits and vegetables, accelerating the bacterial breakdown that causes them to rot. Delicate produce like strawberries, spinach, coriander, and cucumbers is especially vulnerable because their high water content makes them react quickly to any additional moisture in their environment.The same trapped moisture is usually responsible for fridge odour too. As vegetables begin to deteriorate even slightly, they release compounds that mix with the damp air inside the fridge, producing the stale smell that greets you when you open the door. Most commercial solutions, like baking soda boxes or odour-absorbing pads, target the smell itself. The sponge trick targets the moisture that causes it in the first place. The logic is straightforward. A dry sponge placed inside the vegetable drawer absorbs the excess moisture that would otherwise settle on your produce. Because the sponge is porous and designed to soak up liquids, it acts as a passive moisture regulator, drawing condensation and humidity away from the vegetables and into itself. The interior of the drawer stays drier, the vegetables stay firmer for longer, and the conditions that cause both rotting and bad smells are significantly reduced.People trying this hack have placed the sponge in the corner or along the side of the vegetable drawer, away from direct contact with any food. The placement matters: you want the sponge absorbing ambient moisture in the drawer, not sitting directly on top of produce. The hack works particularly well for produce that tends to go off quickly in summer: leafy greens like spinach and methi, fresh herbs like coriander and mint, soft fruits like strawberries, and high-water vegetables like cucumber and zucchini. These are all items that suffer most visibly when drawer moisture is high, turning slimy or collapsing within a day or two. With the moisture reduced, users report these items lasting noticeably longer, which also means less food waste and fewer trips to the market mid-week.Firmer vegetables and root vegetables are less affected by drawer humidity, but they do not suffer from the presence of the sponge either, so there is no reason to limit where you use it. This trick is particularly effective during summer and the monsoon months, when ambient humidity is already high, and the fridge is working harder to compensate. In cooler, drier months, the problem is less pronounced, though the sponge does no harm year-round.The one important caveat is hygiene. A sponge that absorbs moisture will eventually become damp itself, and a damp sponge left in place too long can become a breeding ground for bacteria and mould, exactly the problem you were trying to avoid. The sponge needs to be removed, washed thoroughly, and dried out fully regularly, ideally every few days. If it starts to develop any smell of its own, it should be replaced rather than reused. A sponge that smells is no longer doing its job; it has become part of the problem.Used correctly, though, this is one of those rare kitchen hacks that is genuinely backed by simple physics, costs almost nothing, and solves a real daily irritation. The only question is why it took a viral social media trend to remind us that absorbent materials absorb things.