Advanced Nutrients Bud Blood Powder 500 Gram Recirculating Chillers & Heaters Optimizing Your Twister Set Up Rockwool Optimizing Your Twister Set Up The efficient spray pattern wets the soil surface to maximize water retention while misting is nearly eliminated and wind drift is prevented Bud Blood Powder is specially designed for use with all hydroponic growing media including coco coir as well as continuous liquid feed growing systems such as aeroponics drip irrigation and emitters NFT flood and drain and deep water culture Feed Bud Blood Powder to your plants as soon as you switch to 12 hour lighting so your plants get the P and K they need for a successful bloom phase