Growing spinach the Kratky way- hydroponics
After salad, spinach seems the second easiest thing to grow hydroponically.
Let’s start with the seedling. It looks like you should start the seed on a wet paper towel or other seed growing media, as planting the seed directly to the kratky container it’s not working as well.
And another example which includes the cuttings to speed up growth:
Look how amazing the final result looks in a few weeks:
And this is how it looks on a commercial scale