Chrysal Professional 3 flower food is the professional solution for arrangements with floral foam and vases. Your flowers will stay in perfect condition, opening even more beautifully and staying fresh up to 60% longer. Professional 3 is perfect for companies and florists selling floral arrangements, both in vases and with floral foam. Dose 10 ml per litre for optimal results. This Bag-in-box contains 10 litre of Professional 3.