Additives that work! Selective pH Control Water Treatment The addition of Blossom Blood to a nutrient reservoir during the flowering stage of a plant will promote fuller buds and flowers utilizing selective pH control. What is Blossom Blood? Blossom Blood is a product specifically for floral crops that has an amazing impact on the development of the flowers. How do I use Blossom Blood? Blossom Blood is added to your reservoir when you are sure your plants have entered into the flowering stage. Blossom Blood should be added in very small quantities as all flowers will respond differently. Follow the instructions on the package closely, remember, less is more. What happens if Blossom Blood is foliar sprayed on a plant? Kiss your plant goodbye. What happens if too much Blossom Blood is added to my reservoir? Drain your reservoir immediately and flush the system with fresh water. Make up a new batch with the correct amount of Blossom Blood. You should experiment with the amount of Blossom Blood, by using half the recommended dose and work your way up to full strength. HOW TO USE BLOSSOM BLOOD Directions are for maximum strength. We recommend using 1/2 the amount of Blossom Blood to start with. Response varies with different plant types.