purchased twice the same add-on by mistake.

Unfortunately, Fizz is pre-paid and does not offer refunds. All sales are final. You can always try to chat with them, but they'll probably refuse to refund.

To contact Fizz, go to: https://fizz.ca/en/faq/resolving-issues , at the bottom, there is a green bubble with a question mark, you can chat with support.

You can also use :

Twitter: https://mobile.twitter.com/fizz_ca

Facebook: https://www.facebook.com/fizzca/

Whatsapp: (438) 393-5814