How can i prepare my hamsters for a two day trip?

Im going to sri lanka this year BORING! so im bring my hamsters but i wont get to see them during the whole trip TWO DAYS and im not sure if they will change the water or not because i dont want them to die their just so little and i want them to see the world im adding extra food alot of food but i dont know what to do about the water.How can i prepare my hamsters for a two day trip?
It's fine, your hamsters won't die. :) Just add extra food like you said, and make sure their water bottle is completely full. Then, the moment you are able to, refill everything. But don't worry nothing bad will happen.How can i prepare my hamsters for a two day trip?
You can leave your hamsters for two days but if you can i would get someone the check on them. If you have water bottles then fill them right to the top and add more food then normal. Also make sure they have enough bedding and the cages are secure.
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Um, two days? Someone MUST watch your hamster, leave it with a family member or friend.