Growstone 714231 GS-1 Hydroponic Soil Amendment, 1.5 cu. ft.

$39.01 (as of July 8, 2017, 4:26 pm) & FREE Shipping. Details $34.64

Grow stone gs-1 hydroponic substrate is the perfect growing Media for use in hydroponic growing systems
It replaces strip-mined materials like clay pebbles or stone wool, reducing environmental degradation
Grow stones are designed to allow for rapid moisture absorption and enhanced drainage and oxygenation

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