Soil Grow a&b (1L) from Dutch pro is an increasingly popular nutrient trusted by growers all around the globe and is sure to deliver positive results! 2-part nutrient for use in the vegetative stage of growth. Specially designed and formulated to produce fast growing, strong and healthy plants. Widely used by professional growers all over the world. Contains all the essential macro and micro nutrients plants need to thrive. Nitric acid based to promote early stage growth.