Very practical and space-saving, the main advantage of this germinator lies in its levels, which allow you to vary and alternate your seed harvests. The germinator comes standard with two germination trays. You can add more, according to your needs. Lid, trays and drainer in polystyrene, without phthalates or BPA. To succeed every time: - Once watering is finished, it is possible to remove the lid. - There should never be water at the bottom of the drainer. - The levels are placed in a staggered manner so as to let the seeds breathe. - Do not germinate too many seeds at a time: in most cases, a tablespoon is enough, well distributed over the surface of the tray.