Is it possible to buy more than 1gb when travelling to Europe? It only gives 1gb for 5$.
You should be able to buy another 1 GB when you need it. You can even try now.
Can I buy 5 gb at a time?
The most you can buy is 1 GB at a time. There shouldn't be any issue to repeat the same purchase multiple times. You can let us know.
Do know that Add-Ons are active immediately. They’re valid until the end of your next payment cycle.
In other words, if there are 10 days left on your current payment cycle, your Add-On will be valid for approximately 40 days.
Here's more info about travel add-ons - https://fizz.ca/en/faq/im-travelling-outside-my-coverage-zone-what-are-my-roaming-options