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Nutrients & Supplements

Soil Amendments
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64
Neptune's Harvest Kelp Meal Multi-Purpose Plant Food 1-0-2 | 4lb - OMRI Listed - (Case of 6)
In Stock: 42
$23.28 $29.99 -22%
HDI Europonic FossilFuel Liquid Humic Acids | 1gal - (Case of 4)
Out of stock
$23.23 $54.99 -58%
Emerald Harvest Bloom, 1 gal
In Stock: 65
$23.10 $35.00 -34%
Growth Science Organics Root Magic, 2.5 gal
In Stock: 8
$23.10 $349.99 -93%
Aphrodite's Extraction, 2.5 gal
Out of stock
$22.99 $139.49 -84%
Xtreme Gardening Mykos WP | 12oz - Wettable Powder - (Case of 12)
In Stock: 129
$22.90 $27.07 -15%
House & Garden Magic Green -- 250mL
Out of stock
$22.88 $34.64 -34%
BioAG Ful-Humix | 300g - (Case of 12)
In Stock: 48
$22.77 $28.71 -21%
BioAG TM-7 | 300g - (Case of 12)
In Stock: 36
$22.77 $28.71 -21%
Plant Success King Crab, 4 oz
In Stock: 28
$22.68 $27.99 -19%
MICROBE Life Hydroponics Photosynthesis Plus | 32oz - (Case of 12)
In Stock: 84
$22.65 $42.99 -47%
Gaia Green All Purpose, 2 kg Pouch
In Stock: 519
$22.65 $25.29 -10%
Humboldt Nutrients Master-B, 2.5 gal
In Stock: 1
$22.57 $170.99 -87%
Gaia Green Power Bloom, 2 kg Pouch
In Stock: 1542
$22.47 $28.59 -21%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 32oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 456
$22.29 $26.99 -17%
Roots Organics Elemental | 3lb - (Case of 3)
Out of stock
$22.02 $23.99 -8%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In Stock: 288
$21.96 $34.99 -37%
HDI Clonex Mist Root Promoter | 300mL - (Case of 6)
In Stock: 95
$21.95 $26.32 -17%
Coast of Maine Squid All Natural Liquid Plant Food 2-3-0, 1 qt
In Stock: 27
$21.90 $24.99 -12%
SugarDaddy, 1 L
In Stock: 198
$21.82 $33.99 -36%
FOOP Garden Organic Plant Fertilizer | 32oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$21.78 $24.99 -13%
General Hydroponics FloraKleen - 1gal
In Stock: 112
$21.71 $33.16 -35%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 32oz
In Stock: 262
$21.71 $33.16 -35%
HDI Clonex Clone Solution | 32oz
In Stock: 1296
$21.66 $26.68 -19%
Key Grow Solutions Green Dragon 0-0-18 | 1gal - (Case of 4)
In Stock: 160
$21.56 $119.99 -82%
Key Grow Solutions Silver Rabbit 7-20-4 | 1gal - (Case of 4)
In Stock: 44
$21.56 $119.99 -82%
Botanicare Pure Blend Pro Soil 1-4-5 - 32oz
In Stock: 449
$21.29 $32.50 -34%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 32oz
In Stock: 596
$21.29 $32.50 -34%
Optic Foliar Switch, 1 L
In Stock: 21
$21.25 $32.99 -36%
Vegamatrix Prime Zyme, 5 gal
In Stock: 22
$21.24 $568.99 -96%
Gaia Green Mineralized Phosphate, 20 kg
Out of stock
$21.21 $133.99 -84%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 421
$21.17 $32.29 -34%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In Stock: 3564
$21.00 $30.99 -32%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 300
$20.90 $24.99 -16%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 432
$20.90 $24.99 -16%
Olympus Up, 1 gal
In Stock: 5
$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: 2795
$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: 2449
$20.71 $23.99 -14%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 180
$20.64 $24.99 -17%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 264
$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%
Roots Organics CalMag | 32oz - (Case of 12)
Out of stock
$20.45 $21.99 -7%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 6oz Jar
In Stock: 264
$20.39 $24.99 -18%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 32oz - OMRI Listed - (Case of 12)
In Stock: 47
$20.38 $50.69 -60%
HDI Clonex Rooting Gel | 100mL- Wide Mouth Bottle
In Stock: 1733
$20.24 $24.90 -19%
Dyna-Gro Bloom, 1 qt
In Stock: 72
$20.16 $26.49 -24%
Dyna-Gro Foliage-Pro, 1 qt
In Stock: 1019
$20.16 $26.49 -24%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 6oz - (Case of 12)
In Stock: 324
$20.00 $23.99 -17%
Dyna-Gro Grow, 1 qt
In Stock: 169
$19.96 $25.48 -22%
Humboldt Nutrients Master-B, 5 gal
In Stock: 3
$19.87 $300.99 -93%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 32oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 1116
$19.85 $23.99 -17%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 32oz - (Case of 12)
In Stock: 84
$19.84 $29.11 -32%
BioBizz Fish-Mix 1L CA & OR only
In Stock: 14
$19.80 $27.28 -27%
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 32oz
In Stock: 167
$19.76 $30.31 -35%
Roots Organics Buddha Bloom 1qt
In Stock: 142
$19.75 $24.93 -21%
Roots Organics Buddha Grow 1qt
In Stock: 32
$19.75 $24.93 -21%
FoxFarm Marine Cuisine Slow-Release Fertilizer 10-7-7 | 4lb - Bag - (Case of 8)
In Stock: 564
$19.69 $23.99 -18%
Soul Sensei Grow, 5 gal
In Stock: 124
$19.68 $149.06 -87%
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