Ponics Stone™ Standard (Soilless Grow Media) Ponics Stone Standard:150+ lbs. (contact us) Includes some fines

Includes some fines

Pumice stones sized between 3/8 and 1/8 inches (average)

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

Naturally pure pumice stone

Pure and Natural Pumice Bathing Sand for Poultry and Game Birds

Ponics Stone™ Standard (Soilless Grow Media) Ponics Stone Standard:150+ lbs. (contact us) Includes some finesUltra 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.