Can I combine discounts? Customer Care November 05, 2020 00:42 Updated Only one discount code can be used at a time. They cannot be combined with any other discounts or promotions. Related articles How to apply your discount code. Do you offer discounts or promotions? Is your Mauna Loa Macadamia Nut Visitor Center open? Non-Dairy Ice Cream Product Information What is your refund/return/exchange policy?