Amazon has the 16-count Liquid I.V. Hydration Multiplier Electrolyte Powder Easy-Open Packets Supplement Drink Mix (Lemon Lime) on sale for $24 - 25% off coupon (check "Save an extra" box, eligible on first S&S order for this product)  - 10% off with Subscribe & Save (can cancel anytime) = $16 with free shipping on $25+ or with Prime.