Min. Order Reference FOB Price
720 Bags US$6.00-9.00 / Bag
Product Description
Square Foot Gardening Growing medium Coarse vermiculite Blended compost Product Description Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium. It comes from hot-liquid-eroded or weathered phlogopite. When it is heated to lose water and expands, lt turns ...