3 Review(s)

Expanded perlite is used in horticulture for many reasons, including: Aeration and moisture retention: Perlite's porous structure allows for air and water to alternate in the soil mix, which is important for root growth. Lightweight: Perlite's light weight makes it ideal for growing plants in small containers. Sterile and weed-free: Perlite is sterile and weed-free. Neutral pH value: Perlite has a neutral pH value. Carrier for fertilizer, herbicides, and pesticides: Perlite can be used to carry fertilizer, herbicides, and pesticides. Seed pelletizing: Perlite can be used to pelletize seeds. Green roofing: Perlite can be used as the sole growing medium for plants on roofs.