You will need to be on our website (not the mobile app) to use your store credit.
Once on the website (www.hazelblues.com) you will want to make sure you are signed into your free account. You can do that here: https://hazelblues.com/account/login
Fill your bag with your new items and proceed to checkout.
When you click on the checkout button, you will get a pop-up asking if you would like to use your store credit. Click store credit and whatever balance you have will be applied to your total.