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
Use to seal 1/2" - 5/8" poly hose when PC drippers or 1/4" fittings are removed or relocated.