Hydralyte Powder Orange Flavoured Sachets 10 Pack $6.99 ($6.29 Sub & Save) + Delivery ($0 with Prime/$59 Spend) @ Amazon AU

Cheapest on Camels for the 10 pack. Price matching Chemist Warehouse special $6.99 ($11.06 off RRP) + an extra 10% off via sub & save. If you use a lot, then the 24 packs have been cheaper per unit, otherwise these 10 packs are especially good if you don’t go through heaps.