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
Completely seal your Xtrasun 6" Air Coolable reflector from your grow area, to allow fast and efficient venting of bulb heat.
*Glass lens only