Promotional codes and/or discount codes cannot be combined and is limited to one code per order. In some cases, codes can only be redeemed once per person. Promotion codes are for a limited time and cannot be used once it has expired. Once expired, an offer cannot be retroactively applied to an order that has already been processed. H2O+ reserves the right to change or rescind offers and promotion codes at any time. Misuse of promotions and codes may result in order cancellation.