in which to prepare the 'soil', or growth medium as it is more correctly called.
but if you don't want to be bothered with this, there are plenty of commercial preparations available. bear in mind, though, that the commercial preparations will cost more than any nutrient formula you make yourself. it's also absolutely not true that the commercial preparations will work any better than your home-grown growth formula. now, the right way to plant the spawn is to mix in spawn flakes with the nutrient formula. make sure you space the flakes out sufficiently that the young mushrooms have place to grow. then you need to make sure that the growth 