The HTG Supply floating seed starter kit is a sure-fire system for successful seed-starting. Equipped with heat mat and 7″ humidity dome, the system creates the perfect micro-environment to establish strong sprouts. Included all-natural, no-mess seed starter plugs are infused with a starter charge of nutrients and transplant directly into soil or hydroponic systems when seedlings are ready. Just maintain water in the system, and you’ll be amazed at how fast they grow. It’s that simple!