The 5-minute beer-chilling hack. 6 smart tricks for the 2026 heatwave

Ice-cold beer and drinks in minutes to the phone cooling “nappy trick,” these cheap summer life hacks will keep you, your food, drink and phone cool without big spending required.

You might be sweltering on the Costa del Sol, lounging by the pool, squeezing onto a busy hot beach or heading to a barbeque. Whatever it is, the summer challenge is always the same. staying cool.

A few little life hacks have gone viral across Spain and UK and for a very good reason, they are simple, cheap, and they genuinely deliver relief. Here are six of the best ways to beat the heatwave.

The 5-minute salt trick for instant cold beer

Paint the picture. You’ve just returned from the supermarket with a warm six-pack and guests are arriving in ten minutes. Panic not. Fill a bucket or cooler with ice and water, add a generous half-cup of table salt, and submerge your drinks.

The science. Salt lowers the freezing point of water (freezing point depression). This allows the mixture to stay liquid while dropping well below freezing temperatures, pulling heat from your drinks at lightning speed.

Aluminium cans will be ice-cold in just five minutes, while glass bottles take about ten. Give them an occasional swirl to speed the process up even further.

Freeze your bed sheets before bedtime

Many people find drifting off to sleep one of the most difficult parts of coping with the summer months. When air conditioning isn’t an option and a ceiling fan is just pushing hot air around, this simple trick is a game-changer.

Pop your bed sheets into a sealable plastic bag, squeeze out the air, and tuck them into the freezer for two hours before bedtime. Pull them out just as you turn in, for an instantly refreshing burst to cool your body temperature down before sleep. Use lightweight linen or cotton, and keep the plastic bag sealed extra tight so your bedding doesn’t absorb moisture or food odours. You can always run a fan simultaneously to keep the chill lasting longer.

Master the “Tetris” cool box packing method

Taking food for a picnic? Most people throw ice and food into a cool box and hope for the best. A few strategic tweaks turn that same cooler into an efficient cold-storage machine that lasts all day.

First smart layering. Start with ice packs at the bottom, followed by meats, dairy, and salads, leaving delicate produce for the top.
Eliminate air space. Fill the cooler to the brim. Empty spaces let warm air circulate, so stuff any gaps with a cool beach towel.
Double duty. Freeze your water bottles ahead of time. They act as extra ice packs and provide ice-cold drinking water as they thaw.

Always keep the cooler in the shade, open it as rarely as possible, and use a separate, smaller bag for frequently grabbed drinks.

Keep your sun lotion in the fridge (But never the freezer)

Reapplying sunscreen on a baking hot afternoon is horrendous, especially on children. It can feel heavy and suffocating. Try keeping your lotion in the fridge, then popping your lotion bottle in the cool box with your drinks. The chilled cream feels instantly refreshing on hot skin.

Warning. Never actually freeze your sunscreen. Sunscreens are carefully balanced emulsions of oil and water. Freezing breaks this structure apart, which can make the SPF protection unreliable. A cool beach bag or fridge is the perfect middle ground.

Use a thermos or flask for ice cream and lollies.

Buying ice lollies at the beach costs a fortune, but bringing them from home seems impossible. Until now.

With the trend of late being huge Stanley cups and other mammoth sized insulates flasks, most people will have one to hand.

Take a high-quality insulated flask and pre-chill it in the freezer with the lid off. Then, load your ice lollies or ice cream inside and seal it tight. A good thermos can keep lollies fully frozen for up to six hours and ice cream intact for four. Just resist the temptation to peek, as every pocket of warm air you let in cuts down your frozen time.

Strip your phone and pop it in a nappy

Everyone loves a sunny Instagram worthy photo, but smartphones and intense heat are a recipe for disaster. Most devices will trigger an overheating warning once internal temperatures hit 32°C, causing performance to plummet and battery life to drain.

Let it breathe where you can. Remove your phone case. Cases trap heat against the chassis, and stripping it allows the device to dissipate warmth naturally.
Cool down safely. If your phone overheats, place it inside your cooler bag for a few minutes. Never put it directly into a freezer or fridge, as the extreme temperature crash creates internal condensation that can permanently fry the circuits.

Bonus anti theft trick. When you go for a swim, wrap your phone, wallet, and keys inside a clean, unused disposable nappy left on your towel. The tabs keep out the sand, and can act as the ultimate thief deterrent. After all, who is going to steal what looks like a dirty nappy?

Although these hacks are tried, tested, and backed by science, please always use common sense. Keep an eye on your camouflage nappy at the beach, and always ensure your cooler stays chilled, not frozen, to keep your sunscreen and tech safe.