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Growstone Gnat Nix 1.5 cu ft
Gnat Nix! is the only scientifically proven, environmentally friendly fungus gnat control product on the market. Trials at Kansas University have shown that used as a top dressing, Gnat Nix! is an effective physical barrier against fungus gnats. Gnat..
$57.95
Growstone Gnat Nix 9 Liter
Gnat Nix! is the only scientifically proven, environmentally friendly fungus gnat control product on the market. Trials at Kansas University have shown that used as a top dressing, Gnat Nix! is an effective physical barrier against fungus gnats. Gnat..
$13.99
Growstone GS-1 Hydroponic 1.5 cu ft
Growstone GS-1 Hydroponic Substrate is the perfect growing media for use in hydroponic growing systems as simple as manually irrigated containers or as advanced as automatically drip irrigated containers, Ebb-Flow systems and NFT tables. It replaces ..
$31.95
Growstone GS-2 Mix This Soil Aerator 1.5 cu ft
Growstone GS-2 Mix This Soil Aerator is the ideal aeration component of soil mixes. Its highly porous aggregates act as air pockets significantly enhancing aeration and drainage of an sphagnum peat, coco coir or composted soil-based mix. As a result,..
$28.95
Growstone GS-3 Coco Mix 1.5 cu ft. Bag
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 bi..
$28.95
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