Grotek Blossom Blaster 20g Grotek Blossom Blaster is an ultra- concentrated formula for early flower development. Blossom Blaster helps to load nutrients in to developing flowering sites and a little goes a long way at only 0.1g per litre. Blossom Blaster is made from high-grade minerals full of nutrients flowering plants require. Always shake well before using and store in a cool dark place. Grotek Blossom Blaster is suitable for use in soil, coco and hydroponic use. MIXING GUIDE: ¼ tsp per 10 Litres of water