Chrysal Professional 2 now has an improved formula to keep flowers beautiful even longer. Professional 2 has been especially developed for use by wholesalers, bouquet makers, florists and retailers, in vases and buckets of all cut flowers. It contains just enough nutrients for the natural development of flowers whilst preventing flowers opening too soon. The improved formula stimulates water absorption and keeps flowers and leaves fresh and beautiful. The solution can be used up to 5 days, reducing the necessity to change the water as frequently.