GROWSTONES 1.25 CU FT Growstones
Nothing makes your hydroponics or in soil planting stronger, healthier or more bountiful then Growstone Hydroponic Growth Medium and Super Soil Aerator. Their porous surface and biomimicry irregular shapes help anchor roots for greater stability and growth potential and help restructure soil for greater efficiency and productiveness. Growstones start out as discarded gl... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA....more info.
Volcanistones 1 cu ft Volcanistones™ are a natural rock mined and packaged specifically for hydroponic and horticultural uses. Volcanistones™ are high in silica, a mineral known to enhance plant growth and health.
Volcanistones™ have a greater amount of surface area than the reddish man-made expanded clay growing mediums that are round and smooth. Volcanistone™ will also hold more water.... — Ships separately from Portland, Oregon USA....more info.