FAMILIES are having to take their own food and drink with them on some flights after TUI said they are scrapping the service due to staff shortage.
But for families not wanting to spend lots of money at the airport, there is a way to get around the 100ml rule.
The flight attendant suggests freezing any liquids, so that they show as solids when your hand luggage goes through scanners.
She told Yahoo! News: "If you have an important liquid, but you don't want to pay to check a bag, it's worth trying to freeze it so it goes through the security scanner as a solid.
"Even if it melts a little bit on the ride to the airport, it shouldn't be a problem as long as it's stored properly."
The US Transport Security Administration (TSA) confirms the rules on their website.
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They explain: "Frozen liquid items are allowed through the checkpoint as long as they are frozen solid when presented for screening.
"If frozen liquid items are partially melted, slushy, or have any liquid at the bottom of the container, they must meet 3-1-1 liquids requirements."
The 3-1-1 rule is the USA's name for all liquids being under 100ml if taken onboard as carry-on luggage.
The UK government website doesn't explicitly say frozen liquids are allowed, with the exception of breast milk.
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However, if it remains solid at security, then it is likely to be allowed through.
The former flight attendant also suggests taking an empty water bottle with you.
She explained: "Most airports are full of water fountains, and many even have a special pump to refill bottles quickly.
"To keep your bottle full during the flight, just ask your flight attendant for a refill. If you're lucky, they may even put ice in it."
In the UK, all liquids must be under 100ml at airport security, or they will be confiscated.
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Any liquids you are taking through airport security must be placed in a single, transparent, resealable plastic bag, which holds no more than a litre and measures approximately 20cm x 20cm.
Savvy travellers are always finding more ways to make the most of their precious luggage allowance, including solid shampoo bars which won't count towards the liquid count.
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