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Nutrients & Supplements

Soil Amendments
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128
Emerald Harvest Cali Pro Grow A, 1 gal
In Stock: 5
$27.06 $41.00 -34%
PureCrop 16 oz
In Stock: 32
$27.03 $32.00 -16%
Grotek Insta-Green 3-0-0 | 10L - (Case of 2)
In Stock: 20
$26.97 $81.79 -67%
Nectar for The Gods Bloom Khaos Foliar Spray 0-0-0.5 | 32oz
In Stock: 11
$26.95 $32.99 -18%
General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca - 5lb
In Stock: 2
$26.93 $40.25 -33%
Xtreme Gardening Mykos | 2.2lb - (Case of 6)
In Stock: 242
$26.90 $32.51 -17%
Optic Foliar Transport, 250 ml
In Stock: 50
$26.89 $39.99 -33%
Botanicare Liquid Karma 0.1-0.1-0.5 - 32oz
In Stock: 388
$26.86 $40.94 -34%
Grow More Bio-Cozyme, 1 gal
In Stock: 186
$26.85 $39.99 -33%
CYCO 5L Bloom B (2/CS) - (Case of 2)
In Stock: 6
$26.72 $36.81 -27%
CYCO Bloom A 5 L (2/CS) - (Case of 2)
In Stock: 44
$26.72 $36.81 -27%
CYCO 5L Grow B (2/CS) - (Case of 2)
In Stock: 6
$26.72 $36.81 -27%
CYCO 5L Grow A (2/CS) - (Case of 2)
In Stock: 3
$26.72 $36.81 -27%
Mad Farmer Get Down, 2.5 gal, case of 2
In Stock: 8
$26.68 $146.99 -82%
Microbe Life Photosynthesis Plus, 1 qt
In Stock: 155
$26.57 $32.99 -19%
Microbe Life Plus-C, 1 qt (CA)
In Stock: 129
$26.57 $32.99 -19%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In Stock: 970
$26.52 $30.99 -14%
Cutting Edge Solutions Uncle John's Blend, 1 qt
In Stock: 101
$26.52 $34.99 -24%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
In Stock: 1284
$26.51 $30.99 -14%
DaKine 420 Nitro Nutrients Bloom | 2,000g - (Case of 4)
In Stock: 4
$26.44 $108.99 -76%
DaKine 420 Nitro Nutrients Grow | 2,000g - (Case of 4)
In Stock: 10
$26.44 $108.99 -76%
Cutting Edge Solutions Mag-Amped, 1 qt
In Stock: 98
$26.43 $34.99 -24%
Growth Science Organics Grow, 6 gal
In Stock: 3
$26.40 $399.99 -93%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$26.23 $35.99 -27%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 2.2 lbs
In Stock: 167
$26.14 $39.99 -35%
Rhizoflora Purpinator 0-2-4 - 32oz
In Stock: 56
$25.63
House & Garden Magnesium Boost, 1 L
In Stock: 75
$25.45 $38.56 -34%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In Stock: 976
$25.42 $38.94 -35%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In Stock: 1543
$25.42 $38.94 -35%
Emerald Harvest Grow, 1 gal
In Stock: 44
$25.41 $35.00 -27%
Emerald Harvest Sturdy Stalk, 1 qt
In Stock: 115
$25.41 $38.50 -34%
Bloom Khaos, 5 gal
Out of stock
$25.24 $382.49 -93%
Grotek Vitamax Pro, 1 L
In Stock: 1040
$25.01 $31.02 -19%
Great White Granular 1, 2.2lbs
In Stock: 84
$25.01 $33.99 -26%
CYCO Commercial Series Bloom 8-6-11 - 750g
In Stock: 79
$24.97 $66.11 -62%
Grow More Mendocino Honey, 1 gal
In Stock: 337
$24.93 $33.99 -27%
Grotek Cal-Max, 1 gal
In Stock: 530
$24.93 $45.33 -45%
FoxFarm Soluble 1 lb Trio Pack
Out of stock
$24.88 $164.90 -85%
Grotek Cal Max 2-0-0 | 4L - (Case of 4)
In Stock: 54
$24.87 $47.59 -48%
Roots Organics Trinity | 32oz
In Stock: 8
$24.83 $25.99 -4%
Gaia Green Greensand, 1.25 kg Pouch
In Stock: 291
$24.80 $26.49 -6%
House & Garden Amino Treatment, 100 ml
In Stock: 555
$24.74 $37.49 -34%
Roots Organics Trinity, 1 qt
In Stock: 28
$24.74 $34.00 -27%
Roots Organics Trinity, 1 qt
In Stock: 341
$24.74 $34.00 -27%
Emerald Harvest Grow | 1gal - (Case of 4)
In Stock: 39
$24.60 $35.00 -30%
Grotek Blossom Blaster 1-4-0 | 130g
In Stock: 336
$24.47 $74.29 -67%
Mega Morpheus, 5 gal
Out of stock
$24.38 $184.99 -87%
Roots Organics Seabird Guano Powder, 9 lbs
In Stock: 3
$24.30 $33.47 -27%
General Hydroponics FloraPro Grow 10-12-22 - 5lb
In Stock: 72
$24.24 $40.25 -40%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
In Stock: 68
$24.24 $40.25 -40%
Microbe Life Photosynthesis Plus-O, 1 qt (OR)
In Stock: 17
$24.14 $32.99 -27%
Soul Sensei Micro, 5 gal
In Stock: 2
$24.10 $182.59 -87%
House & Garden Top Booster, 1 L
In Stock: 261
$24.04 $36.41 -34%
DaKine 420 Bio Minerals | 2,000g - (Case of 4)
In Stock: 16
$24.01 $98.99 -76%
DaKine 420 CalMag | 2,000g - (Case of 4)
In Stock: 4
$24.01 $98.99 -76%
DaKine 420 Sticky Icky Enzymes | 500g - (Case of 4)
In Stock: 28
$24.01 $98.99 -76%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In Stock: 10
$23.99
Emerald Harvest Bloom | 1gal - (Case of 4)
In Stock: 22
$23.79 $35.00 -32%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In Stock: 328
$23.69 $179.52 -87%
Roots Organics Oregonism XL, 8 oz
In Stock: 122
$23.52 $35.63 -34%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In Stock: 930
$23.51 $33.99 -31%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 32oz - (Case of 12)
In Stock: 102
$23.46 $43.99 -47%
Xtreme Gardening Mykos Root Paks | 50ct - (Case of 6)
In Stock: 66
$23.34 $26.58 -12%
HYGROZYME Horticultural Horticulture Enzyme Formula | 500mL (16.9oz)
In Stock: 14
$23.34 $24.43 -4%
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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