Mix one 10g stick of DripDrop or 4.5g of DripDrop Zero into 8oz (or 250ml) of water. Stir or shake and enjoy.
Mix one 21g packet of DripDrop or 9g of DripDrop Zero into 16oz (or 470ml) of water. Shake or stir and enjoy.
In other words, rip it, drip it, and go.