Vermiculite Soil Amendment

Horticultural grade vermiculite. Very fine coarseness (granules slightly larger than sand). Vermiculite is a silicate of magnesium-aluminum-iron that is treated at high temperatures which causes it to expand. It is used as a soil amendment to increase the water and nutrient holding capacity of soil. Vermiculite aerates soil and can be used to treat compacted soil or soil that tends to compact easi…