Sawdust is a sawmill by-product; it can be used in gardening, pet care, etc. Sawdust when used as a soil conditioner: - Adds organic matter to the soil, which improves its structure and helps it retain water and nutrients - Balances the pH of the soil - Attracts earthworms and other beneficial organisms Sawdust is also an excellent mulch for gardens. It suppresses weeds, helps retain moisture in the soil, and keeps the roots of plants cool in summer. Sawdust also adds nutrients to the soil as it decomposes. It can also be a great medium for mushroom growth. This bag holds approximately 0.6m3.