Phenolic foam to germinate seeds.

15 boards with 30x46cm (5175 cells 2x2x2cm)

After dipping the foam in water ( to remove impurities), make a cavity in the foam with a sharp object and insert the pelletized seed. 

The Phenolic foam board must be put in a tray and keep the botom of the tray filled with 2/3mm of water during germination.