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Nutrients & Supplements

Soil Amendments
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Humboldt Nutrients Verde, 1 qt
In Stock: 224
$21.21 $28.99 -27%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 415
$21.17 $32.29 -34%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In Stock: 3479
$21.00 $30.99 -32%
Biobizz CAL-MAG 1L
In Stock: 35
$20.95 $28.86 -27%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 60
$20.90 $24.99 -16%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 96
$20.90 $24.99 -16%
Olympus Up, 1 gal
In Stock: 1
$20.90 $46.49 -55%
Technaflora B.C. Boost, 1 L
In Stock: 141
$20.87 $28.21 -26%
HEAVY 16 Finish, 32 oz
In Stock: 2793
$20.78 $31.49 -34%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In Stock: 99
$20.74 $31.89 -35%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 283
$20.74 $31.89 -35%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In Stock: 2447
$20.71 $23.99 -14%
Gaia Green Greensand, 1.25 kg Pouch
In Stock: 291
$20.66 $26.49 -22%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 45
$20.64 $24.99 -17%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 24
$20.63 $23.99 -14%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
In Stock: 31
$20.62 $28.49 -28%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$20.59 $22.99 -10%
Olivia's Cloning Solution | 1gal - (Case of 4)
In Stock: 8
$20.58 $37.95 -46%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In Stock: 8
$20.54 $20.99 -2%
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$20.50 $29.00 -29%
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