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Nutrients & Supplements

Soil Amendments
General Hydroponics ARMOR SI 0-0-4 | 1gal
In Stock: 230
$52.04 $77.93 -33%
House & Garden Bud-XL, 250 ml
In Stock: 56
$19.49 $26.24 -26%
MegaPhos SP Phosphorus Solubilizing Microbe | 200oz - OMRI Listed
Out of stock
$1,482.00 $1,504.80 -2%
Emerald Harvest Root Wizard, 6 gal (FL, MN, NC, OK)
In Stock: 4
$607.50 $692.31 -12%
House & Garden Multi Zen, 5 L
In Stock: 219
$132.54 $178.50 -26%
Microbe Life Plus-C, 1 gal (CA)
In Stock: 16
$80.20 $95.99 -16%
Emerald Harvest pH Down | 6gal
In Stock: 2
$242.51 $352.00 -31%
Emerald Harvest Root Wizard, 6 gal (OR)
In Stock: 6
$607.50 $692.31 -12%
HEAVY 16 Roots, 1 gal
In Stock: 117
$225.73 $334.42 -33%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In Stock: 242
$19.04 $22.99 -17%
Grow More Mendocino Honey, 1 gal
In Stock: 236
$25.50 $33.99 -25%
Optic Foliar REV, 1 L
In Stock: 18
$86.82 $116.99 -26%
Roots Organics Surge, 1 gal
In Stock: 145
$61.48 $82.78 -26%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 32oz
In Stock: 457
$30.12 $33.99 -11%
Roots Organics Extreme Serene, 1 qt
In Stock: 247
$33.68 $45.35 -26%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
In Stock: 12
$186.24 / $46.56 per unit
(minimum purchase of 4)
HEAVY 16 Fire, 1 gal (OR Only)
In Stock: 174
$225.73 $334.42 -33%
HEAVY 16 Veg B, 15 gal
In Stock: 2
$347.27 $514.49 -33%
Emerald Harvest Micro, 6 gal
In Stock: 38
$105.98 $120.77 -12%
Emerald Harvest pH Up, 1 qt, case of 12
In Stock: 16
$198.45 $226.20 -12%
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