How to make 3 different rose arrangements super easy to a little more advanced. we have a Traditional Deluxe Dozen Rosses in a vase, a Modern Pauve Clean look and an Organic shaped Arrangement in a compote Chapters: DIY Flower Food Recipe: 1 teaspoon sugar 1 teaspoon bleach 2 teaspoons lemon or lime juice 1 quart lukewarm water Mix together in vase. sugar feed the plant, bleach fights bacteria, and the acidic citrus adjusts the pH. As for the water temperature, experts recommend always using lukewarm water to help the stems drink faster. The notable exception is spring bulb flowers like tulips, which do best in cold H20