Herbionik - Multi-Purpose Bio Rooter 4.7-5.2-0.5 is a 100% natural fertilizer based on snow crab flour, approved for organic farming by Québec Vrai. With a ratio of 4.7 - 5.2 - 0.5, it increases roots by 2 times for successful transplantation and explosive rooting. Not soluble in water, it must be mixed with soil for maximum effect. In addition, it acts as a compost activator for sustainable fertilization.