Root Farm, Seed Starting Kit, 50 CellGive all your seeds and cuttings a strong and healthy start with the Root Farm Seed Starting Kit. Each kit contains plugs made from a sponge like peat moss material that doesn't crumble, unlike seed starting potting soil. Simply place plant cuttings or seeds inside the plug, wait for roots to appear on the outside of the plug, and then transplant to your hydroponic system or potting mix without worrying about loose particles, clogging up tubes and