During propagation, the air-layering plantlets or detach plantlet and place end in water until it develops roots. They should be fed every 3 or 4 months with any house plant fertilizer. Spider plants are known for their ability to absorb dangerous chemicals from the air. For example, they metabolize formaldehyde. Spider plants absorb gaseous formaldehyde and break it down into other components and assimilate carbon from the formaldehyde into other plant constituents.
Spider plants are a good idea to have for the stuffy interior of dorm life.