Michelangelo De Cia/Shutterstock Crafting the right gin and tonic starts with deciding on the ideal tonic water. Having said that, that is difficult to complete if you're not pairing it which has a gin you prefer. Flavored tonics give an array of preferences, like cucumber and elderflower, which you'll use https://blndwater.com/products/blnd-blending-water-for-whisky-750-ml