What Is Perlite? A Gardener’s Guide To Perlite - Gardening Know …
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/perlite-potting-soil.htm
WEBJan 17, 2024 · Perlite is a natural volcanic mineral that is ultra-lightweight, absorbent, and porous. This volcanic material is crushed, run through a screen and then heated to a super high temperature where it expands, resulting in a material that is sterile, retains up to 3-4 times its weight in water and is extremely lightweight.
DA: 98 PA: 43 MOZ Rank: 51