If you took advantage of a promotion offering a second year for 50% off or for free, this subscription was sent to you by email as a gift code. Please not that this email could have also been sent to your spam folder.
To enter this code, go to http://www.fizzup.com/account and click on "Activate a gift voucher".
You can send this gift code to someone or add it to your account.
Don't wait too long to enter it because it has an expiration date. Once entered, this code will automatically be added to the end of your current subscription.