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Nutrients & Supplements

Soil Amendments
Roots Organics Seabird Guano Powder, 40 lbs
In Stock: 120
$52.65 $80.99 -35%
Great White Premium Mycorrhizae, 5 lbs
In Stock: 29
$406.84 $559.99 -27%
Emerald Harvest Cali Pro Grow B, 1 qt
In Stock: 38
$8.15
Mad Farmer Cal+Mag, 1 qt
In Stock: 47
$15.46 $21.62 -28%
General Hydroponics ARMOR SI 0-0-4 | 55gal
In Stock: 32
$1,457.00 $3,301.84 -56%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
In Stock: 2028
$329.64 / $27.47 per unit
(minimum purchase of 12)
Roots Organics Uprising Foundation, 9 lbs
In Stock: 68
$34.75 $48.59 -28%
Armory Beneficial Bacteria Blend | 200oz - OMRI Listed
Out of stock
$1,388.22 $1,548.40 -10%
Emerald Harvest Sturdy Stalk | 2.5gal
In Stock: 1
$81.12 $240.00 -66%
FoxFarm Grow Big Fertilizer 6-4-4 | 1gal - Concentrate
In Stock: 176
$88.76 $112.99 -21%
Grow More Mendocino 0-37-37, 25 lbs
In Stock: 49
$94.67 $120.99 -22%
Xtreme Azos Beneficial Bacteria, 6 oz (170 g)
Out of stock
$28.87 $40.99 -30%
Emerald Harvest Root Wizard, 15 gal (OR)
Out of stock
$1,430.00 $1,692.31 -16%
Down to Earth Fish Powder 12-1-1 | 5lb - (Case of 5)
In Stock: 81
$237.65 / $47.53 per unit
(minimum purchase of 5)
Cutting Edge Solutions Sour-Dee, 6 gal
In Stock: 21
$246.64 $349.99 -30%
Aptus Ecozen Enzyme Plant Additive, 1 L
In Stock: 57
$101.87 $149.25 -32%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In Stock: 24
$166.64 / $41.66 per unit
(minimum purchase of 4)
Down to Earth Citrus Mix 6-3-3 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1452
$76.74 / $12.79 per unit
(minimum purchase of 6)
Microbe Life Photosynthesis Plus, 1 qt
In Stock: 100
$26.17 $32.99 -21%
HEAVY 16 Fire, 32 oz (OR Only)
In Stock: 565
$75.41 $116.02 -35%
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