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Nutrients & Supplements

Soil Amendments
Emerald Harvest Emerald Goddess Plant Tonic - 2.5 Gal
Out of stock
$331.76 / $165.88 per unit
(minimum purchase of 2)
Roots Organics Extreme Serene Organic Kelp-Based Liquid Fertilizer - 0.25-0.1-2 NPK - 1 Qt
In Stock: 54
$33.73 $45.35 -26%
Botanicare Sweet Berry Plant Food | 2.5gal
In Stock: 85
$148.74 $219.16 -32%
Emerald Harvest Bloom 0-5-4 Base Nutrient - 2.5 Gal
In Stock: 4
$36.90 $80.00 -54%
Grotek Insta-Green Plant Supplement - 1 L
In Stock: 139
$11.87 $13.48 -12%
Roots Organics Extreme Serene Organic Kelp-Based Liquid Fertilizer - 0.25-0.1-2 NPK - 5 Gal
Out of stock
$435.26 $635.04 -31%
Emerald Harvest Cali Pro Grow B Base Nutrient - 1 Gal
Out of stock
$21.79 $23.08 -6%
Cutting Edge Solutions Uncle John's Blend 0-0-2 Supplement - 1 Gal (Oregon Only)
In Stock: 2
$88.38 $103.99 -15%
Emerald Harvest pH Up Solution - 1 Qt - Case of 12
Out of stock
$194.61 $226.20 -14%
House & Garden Amino Treatment Supplement - 250 mL
In Stock: 589
$57.33 $77.11 -26%
Optic Foliar REV Foliar Spray - 1 L
In Stock: 25
$86.94 $116.99 -26%
Coast of Maine Fish Bone Meal Organic Plant Food 5-13-0 - 3 lb
Out of stock
$16.99
HEAVY 16 Roots Root Development Supplement - 1 Gal
In Stock: 14
$229.08 $334.42 -31%
Aurora Innovations Soul Amino Aide (5 - 0 - 1) - 1 Gallon
In Stock: 5
$150.19 $201.99 -26%
Emerald Harvest Cal-Mag 2-0-0 Supplement - 6 Gal
In Stock: 12
$131.25 $250.00 -48%
Grotek Monster Grow Pro Growth Booster - 5 kg
In Stock: 8
$295.94 $368.99 -20%
Emerald Harvest Cali Pro Bloom A Base Nutrient - 1 Gal
Out of stock
$21.79 $23.08 -6%
Cutting Edge Solutions Uncle John's Blend 0-0-2 Supplement - 15 Gal (Oregon Only)
In Stock: 4
$671.30 $972.99 -31%
Mad Farmer Get Down pH Down Adjuster - 1 Gal - Case of 4
Out of stock
$93.68 $125.99 -26%
Roots Organics Ancient Amber Organic Acids Liquid Fertilizer - 0.1-0-0.01 NPK - 1 Gal
Out of stock
$46.38 $62.36 -26%
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