Lambert® Horticultural Wood Charcoal filtration properties aid a media by purifying air and water. It is also used at the bottom of containers to aid in drainage of excessive water. Charcoal is also used with other substrates in the cultivation of certain species of orchids such as Vandas; as well as in terraniums. 100% hardwood charcoal. Comes in a 4.4L bag (4qt). 
Increases soil quality properties 
Absorbing properties
Antioxydant properties