Charcoal acts as a filter to absorb impurities in water and improve air quality. It is excellent as a layer in the bottom of containers and in terrariums where water may pool. Charcoal also can help absorb impurities in fertilizer.
There is no warranty on non-plant products. Non-plant materials may be returned for full credit within seven days of purchase. The seasonal nature of our business requires us not to exceed seven days.