QUEENCare Instruction Mix fresh water with the flower food sachet and pour into a clean vase. Trim the stems 5cm from the end and place into the vase, ensuring all stems are fully submerged. All arrangements should be kept out of direct sunlight and at temperatures between 10c and 15c to preserve the life of the flowers. It is advisable to change the water every two days, mixing in a new flower food sachet every time. Note: The image shown here represents