You can purchase Haydite in various grades (Small/C-Grade or Large/L-Grade) and quantities ranging from small bags to bulk cubic yards. Haydite, a lightweight porous aggregate! - Indy Equipment
Haydite is a lightweight, porous aggregate made from expanded shale or clay. It is primarily sold through , specialized nurseries , and bulk masonry suppliers for use in gardens, bonsai soil, or construction. Where to Buy Online & In-Store