Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk
For vegetative growth. Contains delicately balanced proportions to produce optimal plant growth. Environmentally friendly and completely soluble and safe. Contains silicate for increased hardiness.