As many regular Electrolyte Balance users are aware, this product was designed for daily consumption, and its constitution requires it be shaken daily to maintain optimum emulsification.  We received feedback from some 6-pack buyers that the solids were separating and hardening in the bottles of product which were not actively being used.  Though the product can be revived with vigorous shaking, we want our customers to avoid this inconvenience and confusion, thus we discontinued that option.  The good news is that the 2-pack format has proven to be the optimum option for our regular EB consumers.