500 preparation is stored in a container and then placed in a double-walled storage box. For 500P, compost preparations are mixed with the horn dung a few months after it has been removed from the soil, and then dynamized. As for the horn silica, once dug up, the 501 preparation is kept in a glass container in partial shade.
Some of the six preparations are fermented in animal organs (bladder, intestine, skull, mesentery), and stored individually. Two grams of each can then be added to formulations.