8. Water blocks daily with a gentle stream of water in the side of the tray. Let them sit in water for a few minutes and then pour any leftover water off.
9. Move from heat to grow light when half of the blocks crack through the soil. Set timer to 16 hours a day. Adjust the light a few inches above the seedlings and move it as they grow.
10. Plant the soil blocks in the garden when they are 3-5″ tall. Be sure to harden them off first or use a floating row cover to protect them until they become accustom to the outdoor environment, 7-10 days.