Fill an old-fashioned glass 1/2 of the way with ice. Then add the gin, triple sec, peach schnapps, and finally fill the remaining space with any tropical flavor sparkling water (IE: Tropical Lime, Tangerine Lime, Citrus . . . ). Gently stir. Finally, add a dash of grenadine. The grenadine will sink to the bottom and add a cool color to the drink. ENJOY!!