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
Optimum spectral energy required for vegetative growth. Our basic Metal Halide series provides high initial and maintained lumen output. These lamps are 100% lead free.