Use clean water with a little bit of bleach ( Jik). Never expose flowers to direct sunlight, high temperatures and cool draughts. Cut about a cm from the stems before placing in water. Replace the water every second day and make sure that there is no leaves in the water.
LILIES: Remove the pollen from the flowers, cut the stems shorter and change the water every second or third day.
GERBERA’S: Cut the stems shorter and place in a clean vase with a little bit of Jik.