Ponics Stone™ Granular (Soilless Grow Media) Ponics Stone Granular:35 lbs. (full-sized production bag) The natural micro structure of

The natural micro structure of a pumice stone—a foamed-stone web of air-filled vesicles—classifies it as a cellular solid

Pumice stones—including the sand—are riven with nooks and crannies and air pockets that provide the lightweight character and insulative quality

Stone Size: range of 3/8 to 1/8-inch pumice stones

succulents

Rūtsu Sixteenths

Ponics Stone™ Granular (Soilless Grow Media) Ponics Stone Granular:35 lbs. (full-sized production bag) The natural micro structure ofUltra efficiency soilless grow systems demand high performance grow media. Ponics Stone delivers in the key areas of stability, nutrient holding capacity, gas exchange, drainage, weight, media particle size, crop balance and media life. Ponics Stone Granular is ideal for root cuttings and other propagation uses. Also for geophytes, succulents, cacti. Stable and grippy, but will not over compact. Roughly the size equivalent to a medium grade