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Nutrients & Supplements

Soil Amendments
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Humboldt Nutrients Verde, 1 qt
In Stock: 223
$21.86 $28.99 -25%
Dyna-Gro Pro-TeKt, 1 qt
In Stock: 114
$21.84 $25.50 -14%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 342
$21.81 $32.29 -32%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In Stock: 3144
$21.64 $30.99 -30%
Roots Organics CalMag, 1 qt
In Stock: 273
$21.64 $28.90 -25%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 300
$21.53 $24.99 -14%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 468
$21.53 $24.99 -14%
Roots Organics Elemental, 3 lbs
In Stock: 498
$21.42 $28.61 -25%
HEAVY 16 Finish, 32 oz
In Stock: 2813
$21.41 $31.49 -32%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In Stock: 99
$21.37 $31.89 -33%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 252
$21.37 $31.89 -33%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In Stock: 2032
$21.34 $23.99 -11%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 192
$21.27 $24.99 -15%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 288
$21.26 $23.99 -11%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
Out of stock
$21.24 $28.49 -25%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$21.22 $22.99 -8%
Olivia's Cloning Solution | 1gal - (Case of 4)
In Stock: 8
$21.20 $37.95 -44%
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$21.12 $29.00 -27%
Roots Organics CalMag | 32oz - (Case of 12)
Out of stock
$21.07 $21.99 -4%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 6oz Jar
In Stock: 288
$21.01 $24.99 -16%
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