IHORT Q plugs are the key to maintaining a clean growing environment. They are specifically designed to germinate seedlings & rooting clones in a closely populated tray system. Q plugs are engineered specifically so that they can later be transplanted into a larger space. This space can be open fields, growing beds, or simply moved to larger containers., Q plugs with their stabilized growing media will allow you to inspect, move or potentially automate your handling plants without damaging the plant. Q plugs provide more air porosity for better roots & provide more water control than anything else on the market. Better roots equal better healthier plants.