Ponics Stone™ Standard (Soilless Grow Media) Ponics Stone Standard:150+ lbs. (contact us) Though lightweight

Though lightweight

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

and garden plots

Includes some fines

Ponics Stone™ Standard (Soilless Grow Media) Ponics Stone Standard:150+ lbs. (contact us) Though lightweightUltra 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 Standard is an all purpose soilless grow media for ponics media beds and other high efficiency growing systems. Size blend of 3 4 to 5 16 inch stones provides good drainage and germination.