Perlite is most often used in soil to aid in drainage and hydration. Perlite adds an airy light texture and is great for dry loving plants like cacti and plants that need good drainage like aroids. Perlite can also be used as a soil replacement or propagation medium.
Perlite is a light weight material In fact, the end product weighs only 5 to 8 pounds per cubic foot.
This listing is for 1 pound of perlite.