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Nutrients & Supplements

Soil Amendments
SUPERthrive, 2.5 gal
In Stock: 12
$515.12 $558.29 -8%
Aptus Massboost, 20 L
In Stock: 6
$1,795.20 $1,836.00 -2%
BioAg Bio-SuperSil Soluble Silicon | 2.5gal - 0.5% Nanostructured Silicon
In Stock: 65
$133.36 $161.67 -18%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$43.62 $51.79 -16%
Gaia Green All Purpose, 20 kg
In Stock: 196
$78.84 $102.29 -23%
Humboldt Nutrients Mayan Microzyme, 1 qt
Out of stock
$7.21 $105.99 -93%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 2.5gal - (Case of 2)
In Stock: 2
$180.34 / $90.17 per unit
(minimum purchase of 2)
Grotek Monster Bloom, 20 g
Out of stock
$1.13 $7.48 -85%
SugarDaddy, 20 L
In Stock: 32
$313.81 $457.99 -31%
HEAVY 16 Foliar, 32 oz
In Stock: 94
$35.69 $52.49 -32%
Aptus Fasilitor, 250 ml
Out of stock
$17.00 $98.00 -83%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
Out of stock
$416.48 / $104.12 per unit
(minimum purchase of 4)
Down to Earth Starter Mix 3-3-3 | 50lb - OMRI Listed
Out of stock
$88.59 $102.29 -13%
Emerald Harvest Root Wizard, 2.5 gal - (Case of 2)
In Stock: 5
$756.86 / $378.43 per unit
(minimum purchase of 2)
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 5oz
In Stock: 72
$15.99
Roots Organics CalMag | 32oz - (Case of 12)
Out of stock
$258.24 / $21.52 per unit
(minimum purchase of 12)
Gaia Green All Purpose, 10 kg
In Stock: 741
$40.39 $56.10 -28%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
Out of stock
$18.17 $36.10 -50%
Humboldt Roots, 0.5 gal
Out of stock
$30.74 $451.99 -93%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 32oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 1302
$252.60 / $21.05 per unit
(minimum purchase of 12)
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