Vermiculite
Mighty 109 Vermiculite Horticulture Grade #2 (Coarse)
Vermiculite is a granular insulation that can contain asbestos
Organic Vermiculite – Fine Grade – Alliance Chemical
Perlite vs. Vermiculite: How and Why to Use Them – Garden Betty
The Danger in Your Garden - Asbestos Contaminated Vermiculite
Vermiculite 3L grow urban. Edinburgh
What is Vermiculite and how can you use it with houseplants?
Vermiculite or Perlite? The Definitive Answer - Urban Turnip
Brown Hydroponics Vermiculite for Plants, For Gardening, Packaging
Bettergrow Vermiculite - 3 ltr - MyPalmShop
What is Vermiculite Insulation? - Richmond Home Inspector