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Nutrients & Supplements

Soil Amendments
Gaia Green Worm Castings Organic Soil Amendment - 2 L Pouch
Out of stock
$15.28 $15.99 -4%
Age Old Grow 12-6-6 Liquid Fertilizer - 1 Gal
In Stock: 42
$42.74 $48.99 -13%
Gaia Green Super Fly Insect Frass Fertilizer - 750 g Pouch
Gaia Green Super Fly Insect Frass Fertilizer - 750 g Pouch
In Stock: 391
$13.69 $14.99 -9%
Age Old Grow 12-6-6 Liquid Fertilizer - 32 Oz
In Stock: 12
$16.23 $16.99 -4%
Roots Organics Nitro Bat Guano Bat Guano Fertilizer - 9-3-1 NPK - 3 lb
Roots Organics Nitro Bat Guano Bat Guano Fertilizer - 9-3-1 NPK - 3 lb
In Stock: 356
$14.81 $18.34 -19%
Gaia Green All Purpose 4-4-4 Organic Fertilizer - 20 kg
In Stock: 135
$78.05 $102.29 -24%
Gaia Green Power Bloom 2-8-4 Organic Fertilizer - 20 kg
In Stock: 235
$83.89 $104.50 -20%
Age Old Kelp Plant Supplement - 1 Gal
In Stock: 3
$42.74 $48.99 -13%
Plant Success Great White Premium Mycorrhizae - 4 Oz
Plant Success Great White Premium Mycorrhizae - 4 Oz
In Stock: 471
$37.04 $44.99 -18%
Age Old Kelp Plant Supplement - 55 Gal Drum
Availability: Special-Order
$1,478.88 $1,843.99 -20%
Cutting Edge Solutions Uncle John's Blend 0-0-2 Supplement - 270 Gal Tote (Oregon Only)
Availability: Special-Order
$9,094.80 $11,323.99 -20%
Roots Organics CalMag Liquid Cal-Mag Supplement - 1 Qt
In Stock: 218
$21.50 $28.90 -26%
Grotek Cal-Max Cal-Mag Supplement - 1 Qt
Grotek Cal-Max Cal-Mag Supplement - 1 Qt
In Stock: 427
$8.21 $13.96 -41%
Age Old Grow 12-6-6 Liquid Fertilizer - 6 Gal
In Stock: 26
$180.44 $224.99 -20%
Grow More Water Soluble 30-10-10 Fertilizer - 25 lb
In Stock: 1
$53.43 $66.99 -20%
Budswel Bat Guano Liquid Fertilizer - 1 Gal (CA Compliant)
In Stock: 526
$43.75 $54.99 -20%
Age Old Bloom 5-10-5 Liquid Fertilizer - 6 Gal
In Stock: 12
$180.44 $224.99 -20%
Gaia Green Power Bloom 2-8-4 Organic Fertilizer - 2 kg Pouch
In Stock: 840
$27.13 $28.59 -5%
Age Old Fish & Seaweed 3-3-2 Liquid Fertilizer - 6 Gal
In Stock: 1
$180.44 $224.99 -20%
Gaia Green Glacial Rock Dust Mineral Soil Amendment - 2 kg Pouch
In Stock: 472
$12.42 $12.99 -4%
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