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
Lens system for Xtrasun AC white reflector (XT1AC).
This is not a reflector unit.
Dimensions : 19.25" x 20.75"