... Crystal soil, Hydro Culture Soil, Crystal Clay, Features Specifications: plant soil, perfume crystal clay, flower mud, crystal soilCrystal mud, ... Crystal soil, Hydro Culture Soil, Crystal Clay, Aroma clay, Irish diamond soil, Perfume crystal clay, round crystal soil, flower mud, water ... of its original weight, and afterexpansion it looks very colorful and brilliant4) Used for indoor plants to make ...