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Nutrients & Supplements

Soil Amendments
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 1104
$157.32 / $13.11 per unit
(minimum purchase of 12)
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 15lb
In Stock: 11
$299.00
Humboldt Nutrients Master-B, 2.5 gal
In Stock: 1
$23.08 $170.99 -87%
Cutting Edge Solutions Grow, 1 qt
In Stock: 128
$14.99 $15.99 -6%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz
In Stock: 80
$219.00 / $18.25 per unit
(minimum purchase of 12)
Biomin Copper | 2.5gal - OMRI Listed
Out of stock
$111.32 $116.46 -4%
Coco-Wet Organic Wetting Agent, 8 oz
In Stock: 68
$10.11 $12.49 -19%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 111
$15.52 $23.00 -33%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In Stock: 104
$184.16 / $46.04 per unit
(minimum purchase of 4)
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 348
$276.96 / $23.08 per unit
(minimum purchase of 12)
Technaflora B.C. Boost, 1 L
In Stock: 85
$21.34 $28.21 -24%
Emerald Harvest Grow, 1 qt
In Stock: 187
$9.45 $14.00 -33%
Grotek Bud Fuel Pro, 4 L
In Stock: 723
$73.70 $98.25 -25%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In Stock: 247
$44.31 $57.89 -23%
FoxFarm Open Sesame, 1 lb
Out of stock
$4.24 $57.10 -93%
Biobizz Root-Juice, 200 L
Out of stock
$5,947.86 $7,343.03 -19%
General Hydroponics Ripen 0.5-7-6 | 32oz
In Stock: 179
$29.23 $43.29 -32%
South Cascade Organics SLF-100 | 5gal - OMRI Listed
In Stock: 32
$470.23 $599.99 -22%
Biobizz Bio-Grow | 1 L
In Stock: 213
$17.42 $25.80 -32%
Nectar for The Gods Persephone's Palate | 32oz
In Stock: 68
$15.36 $17.99 -15%
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