Reclaimed from a garage clear out, see other items.
Vermiculite helps to aerate soil while simultaneously retaining water & nutrients, which it then releases over time. Useful in seed sowing and propagation.
It can be added to compost or on its own, can prevent bacterial & fungal problems such as damping off & root rot. Used for seed germination and in seed germination mixes. Improves drainage and lightens the soil in the garden, in raised beds, or in pots. Can be used when seeding lawns, (see internet search results). The above taken from Google search results.