Rooibos tea Lemonfruit a Roibush re Fined with lemongrass , Aroma Preparation of Lemonfruit Rooibos tea 1 tea spoon tea per cupThe optimal water temperature is 95-100°C 10g to 15g tea per 1l waterAllow to brew for approx. 5 minutes for a full Aroma experienceRoibos tea can generally brew longer without developing bitterness.Rooibos tea classic hot, but also cold as Icetea a pleasure.