Growstone® GS-3 Coco-Mix
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We sourced the finest coco fiber and blended it with our 100% recycled, 100% American made Growstones®. What we created is a mix that can’t be matched. GS-3 coco mix combines the high porosity of Growstones® with the great water holding capacity and biological benefits of high quality buffered coco coir and redwood fiber, topped with a high concentration of mycorrhizae from Xtreme Gardening (RTI). It’s by far the best Coco Hydroponic mix available on the market.